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140 |
Respiratory system |
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Cricoid cartilage. Cartilago cricoidea. Ring of |
18 |
Triangular fovea. Fovea triangularis. Gland- |
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1 |
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1 |
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cartilage lying at the upper end of the trachea |
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filled depression above the oblong fovea. C |
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2 |
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that articulates with the thyroid cartilage. A B D |
19 |
Medial surface. Facies medialis. C |
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2 |
Arch of cricoid cartilage. Arcus cartilaginis cri- |
20 |
Posterior surface. Facies posterior. C |
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coideae. Anterior and lateral parts of cricoid |
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Apex of arytenoid cartilage. Apex cartilaginis |
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3 |
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cartilage. A B |
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arytenoideae. It |
arches posteriorly from the |
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3 Lamina of cricoid cartilage. Lamina cartilaginis |
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arytenoid cartilage. C D |
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cricoideae. Tall posterior plate of the cricoid |
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4 |
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Muscular process. Processus muscularis. Short |
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cartilage. A B |
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4 |
Articular surface for arytenoid cartilage. Fa- |
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process that projects posterolaterally from the |
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5 |
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arytenoid cartilage for attachment of the poste- |
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cies articularis arytenoidea. Oblique, oval artic- |
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rior and lateral cricoarytenoid muscles. C |
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ular facet for the arytenoid cartilage located |
23 |
Cricoarytenoid |
joint. Articulatio |
cricoaryte- |
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laterally at the upper margin of the cricoid |
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6 |
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noidea. Cylindrical joint between the cricoid |
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lamina. A |
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5 Articular surface for thyroid cartilage. Fa- |
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and arytenoid cartilages. It permits oscillating |
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7 |
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movements around an obliquely placed cylin- |
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cies articularis thyroidea. Somewhat promi- |
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drical axis and gliding movements parallel to |
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nent articular facet for the thyroid cartilage sit- |
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the axis. D |
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uated inferiorly on the lateral margin of the |
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Articular |
capsule |
of cricoarytenoid |
joint. |
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lamina. A |
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Capsula |
articularis |
cricoarytenoidea. |
Thin- |
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Cricothyroid joint. Articulatio cricothyroidea. |
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9 |
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walled, flaccid capsule of joint between cricoid |
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Articulation between the thyroid and cricoid |
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and arytenoid cartilages. D |
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cartilages. It permits tilting movements as well |
25 |
Cricoarytenoid |
ligament. Lig. |
cricoaryte- |
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10 |
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as horizontal and vertical gliding movements. B |
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noideum. Important elastic ligament for the |
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Cricothyroid joint capsule. Capsula articu- |
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closure of the rima glottidis. It passes posteri- |
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11 |
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laris cricothyroidea. Thin articular capsule. B |
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orly from the cricoid lamina to the medial part |
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7 a |
Ceratocricoid ligament. Lig. ceratocri- |
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of the arytenoid. D |
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coideum. Capsular reinforcement for limitation |
26 |
Cricopharyngeal ligament. Lig. cricopharyn- |
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of shearing movements. B |
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geum. Fiber tract beginning at the corniculate |
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8 Median cricothyroid ligament. Lig. cricothy- |
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cartilage. After attachment to the posterior side |
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13 |
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roideum medianum. Strong vertical ligament |
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of the cricoid, it passes beneath the overlying |
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in the midline between the thyroid and cricoid |
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pharyngeal mucosa. D |
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14 |
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cartilages. B D |
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27 |
Sesamoid |
cartilage. [Cartilago sesamoidea]. |
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Cricotracheal ligament. |
Lig. cricotracheale. |
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Piece of elastic cartilage occasionally present in |
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Elastic membrane between the cricoid cartilage |
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the anterior end of the vocal ligament and near |
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and the first tracheal cartilage. B D |
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the arytenoid cartilage. D |
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Arytenoid cartilage. Cartilago anytenoidea. |
28 |
Corniculate cartilage. Cartilago |
corniculata |
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16 |
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Pyramid-like cartilage on the cricoid cartilage. |
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[[Santorini]]. Small elastic cartilage at the apex |
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of the arytenoid cartilage. It produces the |
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C D |
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11 Articular surface. Facies articularis. Cylindrical, |
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corniculate tubercle. C D |
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17 |
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29 |
Corniculate tubercle. Tuberculum cornicu- |
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concave joint surface below the muscular |
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process for articulation with the cricoid. C |
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latum. Mucosa-covered prominence over the |
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18 |
12 |
Base of arytenoid. Basis |
cartilaginis aryte- |
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corniculate cartilage directly above the apex of |
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the arytenoid cartilage. See page 142.9 |
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noideae. Undersurface of arytenoid cartilage. C |
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1913 Anterolateral surface. Facies anterolateralis. Surface directed anterolaterally for muscular insertion and origin. C
2014 Vocal process. Processus vocalis. Anteriorly directed process for attachment of the vocal
21ligament. C
15 Arcuate crest. Crista arcuata. Cartilaginous
22ridge which begins between the oblong and triangular foveae, arches around the triangular fovea and ends at the colliculus. C
2316 Colliculus. Small projection at the end of the arcuate crest. C D
2417 Oblong fovea. Fovea oblonga. Depression on the anteroinferior surface of the arytenoid car-
25tilage for attachment of the thyroarytenoid muscle. C
Respiratory system 141
44
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Cricoid cartilage, left and posterior view |
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Thyroid and cricoid cartilages |
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B |
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C Right arytenoid cartilage, lateral, |
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medial and posterior views |
16 |
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28 |
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144.11 |
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144.13 |
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Sagittal section of larynx, |
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medial view |
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142 Respiratory system
1 |
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1 |
Cuneiform cartilage. Cartilago cuneiformis. |
18 M. vocalis. o: Inner surface of thyroid cartilage |
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Variably small cartilage beneath a small group |
near the midline. i: Vocal process and oblong |
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of glands in the aryepiglottic fold. D |
fovea of arytenoid cartilage. A: By its tension it |
2 |
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2 |
Cuneiform tubercle. Tuberculum cuneiforme. |
alters the intrinsic vibrations of the vocal cord. |
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Prominence in the aryepiglottic fold caused by |
I: Recurrent laryngeal nerve. E |
3 |
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the cuneiform cartilage. If the cartilage is ab- |
19 Thyroepiglottic muscle. [[M. thyroepiglotti- |
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sent, it can also be produced by glands. B D |
cus]]. Now the thyroepiglottic part of the thy- |
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3 |
Epiglottis. Elastic cartilage shaped like a shoe- |
roarytenoid muscle. See p. 20 D |
4 |
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horn. B C E |
20 Thyroarytenoid muscle. M. thyroarytenoideus. |
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4 |
Stalk of epiglottis. Petiolus epiglottidis. |
o: Anterior inner surface of thyroid cartilage. i: |
5 |
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Downward pointing end of the epiglottic car- |
Muscular process and lateral surface of aryte- |
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tilage that is attached to the thyroid cartilage |
noid cartilage. A: Synergist in closure of rima |
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by connective tissue. A D |
glottidis. I: Recurrent laryngeal nerve. D E |
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65 Epiglottic tubercle. Tuberculum epiglotticum. 20 a Thyroepiglottic part. Pars thyroepiglottica. o:
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Small prominence at the posterior surface of |
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Anterior, inner surface of thyroid cartilage. i: |
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7 |
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the mucosa above the stalk. B |
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Epiglottis and quadrangular membrane. I: Re- |
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6 Epiglottic |
cartilage. Cartilago |
epiglottica. |
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current laryngeal nerve. D See p. 19. |
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Skeleton of epiglottis consisting of elastic car- |
21 |
Oblique arytenoid muscle. M. arytenoideus |
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8 |
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tilage. A C D |
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obliquus. o: Posterior surface of muscular |
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7 |
Thyroepiglottic ligament. Lig. thyroepiglotti- |
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process. i: Apex of contralateral arytenoid car- |
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9 |
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cum. Ligament attaching |
the |
stalk |
of |
the |
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tilage. A: Draws the arytenoid cartilages closer |
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epiglottis to the posterior surface of the thyroid |
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together. Synergist in closure of rima glottidis. I. |
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cartilage. A D |
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Recurrent laryngeal nerve. B |
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8 |
Hyoepiglottic ligament. Lig. hyoepiglotticum. |
21 a Aryepiglottic |
part. Pars |
aryepiglottica. o: |
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Ligament between the hyoid and epiglottis. C |
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Apex of arytenoid cartilage. i: Margin of |
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11 |
9 |
Corniculate tubercle. Tuberculum cornicu- |
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epiglottis. Foundation of aryepiglottic fold. A: |
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latum. Mucosa-covered prominence over the |
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Depresses the epiglottis. See 11. |
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corniculate cartilage just above the apex of the |
22 |
Transverse arytenoid muscle. M. arytenoideus |
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12 |
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arytenoid cartilage. B D |
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transversus. o: Posterior surface of arytenoid |
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10 Laryngeal musculature. Musculi laryngis. B C |
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cartilage. i: Same surface of contralateral aryte- |
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13 |
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D E |
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noid cartilage. A: Approximates arytenoid car- |
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11 |
[[M. aryepiglotticus]]. Now the |
aryepiglottic |
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tilages. Synergist in closure of rima glottidis. I: |
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part of the arytenoid muscle. See p. 21 a. B D |
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Recurrent laryngeal nerve. B |
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14 |
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12 |
M. cricothyroideus. o: Anterolateral aspect of |
23 |
Laryngeal cavity. Cavitas laryngis. E |
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cricoid cartilage. i: Interiorly at outer and inner |
24 |
Laryngeal inlet (aditus). Aditus laryngis. En- |
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15 |
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surfaces of the thyroid cartilage lamina. A: |
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trance into larynx between the epiglottis, ary- |
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Tenses vocal ligament by lifting the cricoid car- |
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epiglottic folds and interarytenoid notch. B E |
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16 |
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tilage forward and tilting back the lamina and |
25 |
Aryepiglottic |
fold. Plica |
aryepiglottica. Mu- |
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the arytenoid cartilage. I: Superior laryngeal |
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cosal fold over the aryepiglottic muscle. It ex- |
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nerve (different innervation than other intrin- |
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tends from the apex of the arytenoid cartilage |
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17 |
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sic laryngeal muscles). C E |
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to the lateral margin of the epiglottis. B D |
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13 |
Straight part. Pars recta. Anterior, somewhat |
26 |
Interarytenoid notch. |
Incisura interaryte- |
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more steeply coursing fibers. C |
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18 |
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noidea. Mucosa-covered slit between the two |
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14 |
Oblique part. Pars obliqua. Posterior, more |
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apices of the arytenoids. B |
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horizontally coursing fibers. C |
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27 |
Vestibule of |
larynx. |
Vestibulum laryngis. |
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19 |
15 |
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M. |
cri- |
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Posterior |
cricoarytenoid |
muscle. |
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Upper part of laryngeal cavity extending as far |
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coarytenoideus posterior. o: Posterior surface |
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as the vestibular [ventricular] folds. E |
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20 |
|
of cricoid |
cartilage. i: Muscular process |
of |
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28 |
Rima vestibuli. Interval between the two vesti- |
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arytenoid cartilage. A: By swinging the vocal |
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bular folds. E |
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process upward and outward, it opens the rima |
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21 |
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glottidis. It is the only abductor of the vocal |
29 |
Vestibular (ventricular) fold. Plica vestibu- |
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folds. I: Recurrent laryngeal nerve. B D |
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laris [ventricularis]. Fold produced by the vesti- |
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16 |
Ceratocricoid muscle. [M. ceratocricoideus]. |
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bular ligament. It lies between the laryngeal |
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22 |
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Anatomic variant. o: Inferior horn of thyroid |
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ventricle and vestibule. E |
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cartilage. i: Inferior margin of cricoid cartilage. |
29 a Intermediate laryngeal cavity. Cavitas laryngis |
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intermedia. Space between the vestibular and |
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17 Lateral cricoarytenoid muscle. M. cricoaryte- |
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noideus lateralis. o: Upper lateral margin of cri- |
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24coid cartilage. i: Anteriorly at muscular process of arytenoid cartilage and adjacent area. A:
25Synergist in closing of rima glottidis. I: Recurrent laryngeal nerve. D
Respiratory system 143
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Laryngeal cartilages, posterior view |
B |
Laryngeal musculature, posterior view |
138.26a
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C |
Larynx, anterolateral view |
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Larynx, left lamina of thyroid |
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Larynx, frontal section, |
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posterior view |
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Respiratory system |
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Ventricle of larynx. Ventriculus laryngis 17 |
TRACHEA. Airway characterized by its cartilage- |
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[[Morgagni]]. |
Lateral |
outpocketings |
between |
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containing wall and its branches, the bronchi. E |
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the vocal and vestibular folds. B C D |
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18 Cervical part. Pars cervicalis. The cervical seg- |
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Saccule (appendix) of larynx. Sacculus laryn- |
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ment of the trachea extending from C6 to C7. |
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gis [[appendix ventriculi laryngis]]. Small blind |
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Thoracic part. Pars thoracica. The thoracic seg- |
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sac directed upward from the ventricle. B |
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ment extending from T1 to T4. |
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3 Glottis. Voice-producing part of the larynx con- |
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Tracheal cartilages. |
Cartilagines tracheales. |
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sisting of the two vocal folds and the interval |
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4 |
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Horseshoe-shaped cartilages of the tracheal |
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(Rima glottidis) between them. A |
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4 Rima glottidis. Space between the two aryte- |
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wall. E F H |
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Tracheal muscle. Musculus trachealis. Smooth |
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noid cartilages and the vocal cords. A |
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Vocal fold. Plica vocalis. Mucosal |
fold sup- |
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muscle between the free ends of the horseshoe- |
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shaped tracheal cartilages. H |
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ported by the underlying vocal ligament and |
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laterally by the vocalis muscle. A |
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Annular ligaments of trachea. Ligg. anularia |
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Intermembranous part. Pars intermem- |
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tracheae, Ligg. |
trachealia. Connective tissue |
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bridges between the tracheal cartilages. E F |
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branacea. Portion of the rima glottidis extend- |
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ing from the thyroid cartilage to the apex of the |
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Membranous |
wall. |
Paries membranaceus. |
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vocal process. A |
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Posterior wall of trachea. F |
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Intercartilaginous |
part. |
Pars |
intercar- |
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24 Bifurcation of trachea. Bifurcatio tracheae [tra- |
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tilaginea. Portion of rima glottidis between the |
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chealis]. Asymmetrical division of trachea at |
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arytenoid cartilages. A |
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level of T4. E G |
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7 a Interarytenoid fold. |
Plica |
interarytenoidea. |
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Carina tracheae. Ridge projecting into the |
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Mucosal fold between the arytenoid cartilages. A |
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lumen of the trachea at its bifurcation and pro- |
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Infraglottic cavity. Cavitas infraglottica. Lowest |
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viding an aerodynamic effect. G |
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portion of laryngeal cavity. It is enclosed by the |
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Tunica mucosa. Tracheal mucosa lined by pseu- |
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conus elasticus and extends from the rima glot- |
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tidis to the trachea. C |
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dostratified ciliated columnar epithelium with |
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goblet cells. H |
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9 Fibroelastic membrane of larynx. Membrana |
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Tracheal glands. Gll. tracheales. Mixed glands |
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fibroelastica |
laryngis |
[[membrana |
elastica |
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13 |
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laryngis]]. Submucosa of laryngeal wall provided |
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in the submucosa. H |
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with abundant elastic fibers. It begins at the |
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BRONCHI. Branches of trachea. |
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quadrangular membrane and ends at the lower |
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Bronchial tree. Arbor bronchialis. The entire |
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margin of the conus elasticus. B |
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10 |
Quadrangular membrane. Membrana quad- |
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branching system of the bronchi. |
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30 |
MAIN BRONCHUS (RIGHT AND LEFT). Bronchus |
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rangularis. Membrane spread out between the |
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epiglottis, aryepiglottic fold and vestibular fold. |
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principalis (dexter et sinister). Right and left |
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C D |
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stem bronchi arising directly from the trachea. E |
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1611 Vestibular ligament. Lig. vestibulare. It strengthens the lower margin of the quadrangular mem-
17brane. C
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12 |
Conus elasticus (membrana cricovocalis). |
18 |
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Reinforced fibroelastic membrane between the |
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vocal ligament and cricoid. D |
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13 |
Vocal ligament. Lig. vocale. It lies between the |
19 |
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vocal process of the arytenoid cartilage and the |
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thyroid cartilage and forms the upper end of the |
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conus elasticus. C |
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14 |
Tunica mucosa. Laryngeal mucous membrane |
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21provided with nonkeratinized, stratified squamous epithelium only on the upper part of the posterior surface of the epiglottis and on the
22vocal folds; the rest of the larynx is lined with pseudostratified, ciliated columnar epithelium with goblet cells. B
2315 Laryngeal glands. Gll. laryngeales. Mixed glands occupying the submucosa of the laryn-
24geal wall. B
16 Lymph nodes of larynx. [[Nodi lymphatici
25laryngis]]. Lymphatic nodules are abundant in the submucosa of the ventricle. B