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110

Digestive system

 

 

 

 

 

 

 

 

Major salivary glands. Glandulae salivariae

 

21 Root of tooth. Radix dentis. Portion of the

1

 

1

 

 

 

 

 

majores.

 

 

 

tooth covered by cementum. E

 

2

 

2

Sublingual gland. Glandula sublingualis. Pre-

 

22

Apex of root of tooth. Apex radicis dentis. E

 

 

 

dominantly mucous gland situated on the my-

 

23 Clinical root. Radix clinica. Portion of the tooth

 

 

 

 

lohyoid muscle diaphragma oris. It contains

 

 

situated below the gum. C

 

3

 

 

 

several drainage ducts. D

 

 

 

 

 

 

 

24

Occlusal (masticatory) surface. Facies oc-

 

3

Major sublingual duct. Ductus sublingulis

 

 

 

 

 

clusalis (masticatoria) dentis. B E

 

4

 

 

 

major. Main drainage duct of the sublingual

 

25 Vestibular (facial) surface. Facies vestibularis

 

 

 

gland. It opens at the sublingual caruncle next

 

 

 

 

 

 

(facilis) dentis. Tooth surface facing the vesti-

 

 

 

 

to the submandibular duct. D

 

 

 

 

 

 

 

 

bule. D G

 

 

 

 

 

 

 

 

 

 

5

4

Minor sublingual ducts. Ductus sublinguales

 

 

 

 

 

25 a Buccal surface. Facies buccalis dentis. Tooth

 

 

 

 

minores. About 40 small ducts that drain the

 

 

surface facing the cheek.

 

 

 

 

 

 

 

 

 

 

6

 

 

 

sublingual gland and open along the sublingual

 

 

 

 

 

 

 

 

25 b Labial surface. Facies

labialis

dentis. Tooth

 

 

 

fold and the sublingual caruncle. D

 

 

 

5

Submandibular gland. Glandula submandibu-

 

 

surface facing the lips.

 

 

7

 

 

26 Lingual and palatine surfaces. Facies lingualis/

 

 

 

laris. Predominantly serous salivary gland lo-

 

 

 

 

 

cated almost entirely below the mylohyoid. D F

 

 

palatalis dentis. Tooth

surfaces facing the

 

 

 

 

 

 

tongue and palate, respectively. A G

8

 

6

Submandibular

duct. Ductus submandibu-

 

 

 

 

27

Approximal surface.

Facies

approximalis.

 

 

 

laris. Duct that

drains the submandibular

 

 

 

 

 

 

 

Tooth surface facing the adjacent tooth. G

9

 

 

 

gland. It loops around the posterior margin of

 

 

 

 

 

 

28

Mesial surface. Facies mesialis. Vertical con-

 

 

 

the mylohyoid accompanied by glandular

 

 

 

 

 

tissue and opens at the sublingual caruncle. D

 

 

tact surface of a tooth turned away from the last

10

 

7

Parotid gland. Glandula parotidea. Salivary

 

 

molar. G

 

 

 

 

29

Distal surface. Facies distalis. Vertical contact

 

 

 

 

gland located behind and on the mandibular

 

11

 

 

 

ramus. F

 

 

 

surface of a tooth facing away from the first in-

 

8

Superficial part. Pars superficialis. The parts

 

 

cisor. G

 

 

 

 

 

29 a Contingent area. Area contingens. Direct contact

 

 

 

 

of the parotid gland located superficial to the

 

12

 

 

 

facial nerve. F

 

 

 

surface of adjacent teeth.

 

 

 

9

Deep part. Pars produnda. Parts of the parotid

 

30 Cingulum. Ridge near the neck of a tooth con-

13

 

 

 

gland located deep with respect to the facial

 

 

necting both marginal crests at the lingual sur-

 

 

 

nerve. F

 

 

 

face of incisor and canine teeth. A

 

 

 

 

 

 

 

14

 

10

Accessory parotid gland. Glandula parotidea

 

31

Marginal crest. Crista marginalis. Lateral

 

 

 

accessoria. Portion of the parotid gland located

 

 

marginal ridge on the lingual surface of the in-

 

 

 

 

on the masseter muscle near the parotid ex-

 

 

cisor and canine teeth which goes over into the

15

 

 

 

cretory duct. F

 

 

 

cingulum at the neck region. A

 

 

11

Parotid duct. Ductus parotideus. Excretory

 

32 Incisal margin. Margo incisalis. Occlusal edge

 

 

 

16

 

 

 

duct of the parotid gland. It passes around the

 

 

of incisor and canine teeth. A

 

 

 

 

anterior margin of the masseter and opens near

 

 

 

 

 

17

 

 

 

the second upper molar tooth. F

 

 

 

 

 

 

12

TEETH. Dentes. A B C D E G

 

 

 

 

 

 

 

13 Crown of tooth. Corona dentis. Portion of the

 

 

 

 

 

18

 

 

 

tooth covered by enamel. E

 

 

 

 

 

 

 

14 Cusp of tooth. Cuspis dentis [[tuberculum]]. 1−

 

 

 

 

 

19

 

 

 

5 protuberances

on the occlusal surface of

 

 

 

 

 

 

 

 

tooth (with the exception of the incisors). E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

15 Apex of cusp. Apex cuspidis. E

 

 

 

 

 

 

16

Dental tubercle. Tuberculum dentis. Distinct

 

 

 

 

 

21

 

 

 

eminence on the side of the crown, especially

 

 

 

 

 

 

 

 

in canine and incisor teeth. A

 

 

 

 

 

 

 

17 Transverse ridge. Crista transversalis. Trans-

 

 

 

 

 

22

 

 

 

verse connecting ridge between adjacent

 

 

 

 

 

 

 

 

 

cusps. B

 

 

 

 

 

 

23

 

18 Triangular ridge. Crista triangularis. Triangu-

 

 

 

 

 

 

 

 

lar connecting ridge between the cusps of the

 

 

 

 

 

24

 

 

 

molars. B

 

 

 

 

 

 

 

19

Clinical crown. Corona clinica. Portion of the

 

 

 

 

 

 

 

 

 

tooth projecting above the gum. C

 

 

 

 

 

25

 

20

Neck of tooth. Cervix [[collum]] dentis. Portion

 

 

 

 

 

 

 

 

 

of the tooth at the enamel-cementum border. E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Digestive system

111

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

 

 

 

 

 

 

 

 

 

 

 

19

 

 

 

 

 

 

1

 

 

 

 

24

 

 

 

17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

 

26

 

31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

16

 

 

 

 

18

 

 

 

23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

Incisor tooth and canine tooth,

 

 

First and second molars,

 

Incisor, sagittal

 

 

 

 

 

A

 

B

C

 

 

 

 

 

 

 

 

 

 

 

lingual surface

 

 

 

 

 

 

occlusal surface

 

section

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

15

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

24

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

2

 

 

 

 

21

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

 

Oral cavity,

 

 

 

 

 

 

 

 

 

 

 

First lower molar

 

 

 

D

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

medial view

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

65

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

 

 

8

 

 

 

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

29

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

 

 

 

 

 

 

 

 

 

26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

29

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29

 

 

23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24

F Salivary glands, lateral view

 

 

 

 

 

 

G Teeth of lower jaw

 

 

25

 

112

Digestive system

 

 

 

 

 

 

Pulp cavity of tooth. Cavitas dentis (pulparis).

20

Incisor teeth. Dentes incisivi. Cutting teeth lo-

1

 

1

 

 

 

Cavity in the dentin. Towards the root, it be-

 

cated on both sides of the midline at the 1st and

2

 

 

 

comes continuous with the root canal. A

 

 

2nd positions of the dental arch. D

 

2

Pulp chamber in the crown. Cavitas coronae.

21

Canine teeth. Dentes canini. Teeth located at

3

 

 

 

Crown portion of the pulp cavity. A

 

 

the 3rd position of the dental arch. D

 

3

Root canal of tooth. Canalis radicis dentis.

22

Premolar teeth. Dentes premolares. Teeth oc-

 

 

 

 

Canal between the pulp cavity and the apical

 

cupying the 4th and 5th positions of the dental

4

 

 

 

foramen. A

 

 

 

arch. D

 

4

Apical foramen of root of tooth. Foramen apicis

23

Molar teeth. Dentes molares. Teeth located at

 

 

 

 

 

 

radicis dentalis. The opening of the root canal at

 

the 6th, 7th and 8th positions of the dental arch. D

5

 

 

 

 

 

 

 

the apex of the root. A

 

24

Wisdom tooth. Dens serotinus [molaris ter-

 

 

 

5 Pulp of tooth. Pulpa dentis. Contents of the

 

tius]. Tooth located at the 8th position of the

6

 

 

 

 

 

 

pulp cavity consisting of loose, finely fibered

 

dental arch. D

 

 

 

 

connective tissue, blood vessels and nerves.

25 Deciduous (milk) teeth. Dentes decidui.

 

 

 

 

7

6

Crown pulp. Pulpa coronalis. Pulp within the

26 Permanent teeth. Dentes permanentes. Teeth

 

 

 

 

crown portion of the pulp cavity.

 

 

 

 

 

 

 

that develop after the deciduous teeth.

 

7

Root pulp. Pulpa radicularis. Pulp within the

 

8

 

27

Diastema. Space between adjacent teeth.

 

 

 

root canal portion of the pulp cavity.

 

 

8

Dental papilla.

Papilla dentis. A mass

of

28 TONGUE. Lingua. D E

9

 

 

 

 

 

mesenchyme present in the bell stage of tooth

29

Body of tongue. Corpus linguae. Portion of the

 

 

 

 

 

 

 

 

development. B

 

 

 

tongue situated between the apex and root. E

10

 

 

 

 

 

 

9

Dentine. Dentinum [[substantia eburnea]]. Pre-

30

Root of tongue. Radix linguae. Anchoring re-

 

 

 

 

dominant mass of a tooth consisting of inor-

 

gion of the tongue at the mandible and hyoid

11

 

 

 

ganic and organic material (especially col-

 

bone. Also the posterior, vertical segment of the

 

 

 

 

lagenous fibers). A C

 

 

tongue. E

 

 

 

 

 

 

12

10

Enamel. Enamelum [[substantia adamantina]].

31

Dorsum of tongue. Dorsum linguae. E

 

 

 

 

The extremely hard substance surrounding the

32

Anterior, oral portion of tongue. Pars pre-

 

 

 

 

crown of the tooth like a mantle. A C

 

13

 

 

 

 

 

sulcalis (anterior). The part of the dorsum of

 

11 GOMPHOSIS. Type of fibrous joint in which a

 

 

 

the tongue situated anterior to the sulcus ter-

 

 

 

 

 

 

 

conical process, e. g., a tooth, is inserted into a

 

minalis. 115 B

14

 

 

 

 

 

 

 

socket, e. g., alveolus of the jaw (dentoalveolar

33

Posterior, pharyngeal part of tongue. Pars

 

 

 

 

articulation).

 

 

 

 

 

 

 

 

 

postsulcalis (posterior). The vertical portion of

 

12

Periodontium. Tissues that invest and support

 

15

 

the dorsum of the tongue between the sulcus

 

 

 

 

the tooth within the alveolus. It consists of the

 

terminalis and the epiglottis. 115 B

 

 

 

 

following parts: A

 

34 Inferior surface of tongue. Facies inferior lin-

16

 

 

 

 

13

Periodontium

protectoris [[gingiva]].

The

 

guae. D E

 

 

 

 

outer part of the periodontium with the exter-

35

Fimbriated fold. Plica fimbriata. Serrated fold

17

 

 

 

 

 

 

nal border epithelium. A

 

 

 

 

 

 

lateral to the frenulum. It is a remnant of the in-

 

14

Periodontium insertionis. Portion of the peri-

 

 

 

ferior tongue. D

18

 

 

 

 

odonium touching the tooth. It consists of the

36 Lateral margin of tongue bordering the teeth.

 

 

 

 

inner border epithelium and the periodontal

 

 

 

 

ligament. A

 

 

 

Margo linguae. D

19

 

 

 

 

 

 

 

 

 

 

 

 

 

15

Periodontal ligament. Desmodontium. All con-

37

Apex of tongue. Apex linguae. D E

 

 

 

 

nective tissue fibers which are anchored in the

 

 

20cementum and, with their vessels and nerves, extend partly into the gum and partly into the

alveolar wall. A

21

16Cementum. Substance similar to bone. It surrounds the tooth from the enamel border to the

22apex of the root and receives the fibers of the periodontal ligament. A

2317 Alveolar bone. Os alveolare. Bony wall of the alveolus. A

2418 Superior dental arch. Arcus dentalis superior. Curved row of teeth of the maxilla.

2519 Inferior dental arch. Arcus dentalis inferior. Curved row of teeth of the mandible.

Digestive system 113

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

10

108.25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

12

 

2

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

 

 

 

8

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

B

Tooth development

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

10

 

 

 

A

Longitudinal section of tooth

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Enamel-dentin border

 

 

 

 

 

 

 

 

 

37

 

 

 

 

 

 

 

 

 

 

21

 

C

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

35

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31

 

 

 

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

 

 

 

 

 

 

 

114.2

 

 

 

 

 

 

 

24

37

 

29

30

 

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34

 

 

 

 

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

 

 

Mouth with tongue elevated

 

 

 

 

 

 

 

 

Tongue, sagittal section

 

 

 

 

 

D

 

 

 

 

 

 

 

E

 

 

 

23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

114

Digestive system

 

 

 

 

 

 

 

 

 

Mucous membrane of tongue. Tunica mucosa

18

TONGUE MUSCULATURE. Musculi linguae (lin-

1

 

1

 

 

 

 

 

linguae. C

 

 

guales). The following eight tongue muscles are

2

 

2

 

Frenulum of tongue. Frenulum linguae. Mu-

 

innervated by the hypoglossal nerve (XII).

 

 

19

M. genioglossus. o: Mental spine of mandible.

 

 

 

 

cosal fold extending from the floor of the

 

 

 

 

 

mouth to the inferior side of the tongue. D; see

 

i: Fan-shaped distribution within the tongue

3

 

 

 

 

also p. 113. D

 

 

from the apex to the base. A: It pulls the tongue

 

3

 

Lingual papillae. Papillae linguales. Collective

 

forward or towards the

chin. I: Hypoglossal

 

 

 

 

nerve. C D

 

 

4

 

 

 

 

term for the following five different types of

 

 

 

 

 

 

 

20

M. hyoglossus. o: Body and greater horn of

 

 

 

 

mucosal formations: A B

 

 

 

4

Filiform papillae. Papillae filiformes. Fine, al-

 

hyoid bone. i: Coming from below, it radiates

 

 

 

into the lateral parts of the tongue and pene-

5

 

 

 

 

most threadlike epithelial elevations on a con-

 

 

 

 

 

 

trates up to the mucosa. A: It draws the base of

 

 

 

 

 

nective tissue core. Their tips that are often

 

 

 

 

 

 

cleft. A

 

 

the tongue backward and downward. I: Hypo-

6

 

 

 

 

 

 

glossal nerve. D

 

 

5

 

Conical papillae. Papillae conicae. Special

 

 

 

 

 

21 M. chondroglossus. o: Lesser horn of hyoid. i:

 

 

 

 

 

form of filiform papilla. They are somewhat

 

 

 

 

 

 

Same as hyoglossus. I: Hypoglossal nerve. D

7

 

 

 

 

larger, longer and exhibit conical apices which

 

 

 

 

 

22

M. styloglossus. o: Styloid process. i: Coming

 

 

 

 

 

bend backwards. A

 

 

 

 

 

 

 

 

6

 

Fungiform papillae. Papillae

fungiformes.

 

from behind and above, it radiates to the lateral

8

 

 

 

 

parts of the tongue and interweaves with the

 

 

 

 

Mushroom-like papillae which are not pointed

 

 

 

 

 

 

at the tip, but terminate with a small plateau. A

 

hyoglossus. A: It draws the tongue backward

9

 

 

 

 

 

and upward. I: Hypoglossal nerve. D

 

 

 

 

 

B

 

 

 

 

 

 

 

 

23 Superior longitudinal muscle of tongue. M.

 

7

Vallate (circumvallate) papillae. Papillae val-

 

10

 

 

 

 

latae. 7−12 large papillae located in front of the

 

longitudinalis superior. Longitudinal bundles of

 

 

 

 

 

muscle just below the mucosa that extend from

 

 

 

 

sulcus terminalis. They are circular in cross-

 

 

 

 

 

 

section and are surrounded by a moat, the wall

 

the apex of tongue to the region of the hyoid

11

 

 

 

 

 

bone. I: Hypoglossal nerve. C

 

 

 

 

 

of which contains taste buds. A B

 

 

 

 

8

Lenticular papillae. Papilla lentiformes. Short

24

Inferior longitudinal muscle of tongue. M.

 

12

 

 

 

 

fungiform papillae. A

 

 

longitudinalis inferior.

Longitudinal

fibrous

 

 

 

 

 

 

system situated close to the inferior surface of

 

9

 

Foliate papilla. Papillae foliatae. Several paral-

 

 

 

 

the tongue. It passes from the base to the apex

13

 

 

 

 

lel folds containing taste buds

at the post-

 

of the tongue. I: Hypoglossal nerve. C

 

 

 

 

 

erolateral margin of the tongue. B D

 

 

 

 

 

 

 

25 Transverse muscle of tongue. M. transversus

 

 

10 Median groove of tongue. Sulcus medianus

14

 

 

linguae. Transversely oriented muscle

fibers

 

 

 

 

linguae. Shallow, median longitudinal groove

 

 

 

 

 

 

extending between the longitudinal system of

 

 

 

 

 

situated above the lingual septum. B C

 

fibers. o: Lingual septum. i: Mucous membrane

15

 

 

 

 

 

11

 

Sulcus terminalis [[”V” linguae]]. Bilateral

 

along lateral margins of tongue. A: Extension of

 

 

 

 

 

groove passing obliquely forward from the

 

tongue together with the vertical muscle of the

 

 

 

 

 

 

16

 

 

 

 

foramen caecum. It lies behind the row of val-

 

tongue. I: Hypoglossal nerve. C

 

 

 

 

 

late papillae which run parallel to it. B

26

Vertical muscle of tongue. M. verticalis lin-

 

 

 

 

 

 

12

 

Foramen caecum linguae. Pit situated at the

 

guae. Vertical muscle fibers coursing from the

17

 

 

 

 

 

 

apex of the sulcus terminalis. It is the embryo-

 

back of the tongue to the inferior surface. I: Hy-

 

 

 

 

 

logical remains of the thyroglossal duct. B

 

poglossal nerve. C

 

 

 

 

 

 

 

 

 

 

18 13 Thyroglossal duct. Ductus thyroglossalis. Embryological connection between thyroid gland and tongue. At the site of the future fora-

19men caecum, it extends downward from the base of the tongue as an epithelial cone.

2014 Lingual tonsil. Tonsilla lingualis. Accumulation

 

of lymphatic tissue (lingual follicles) which is

 

irregularly distributed over the root of the

21

tongue. B D

 

 

15 Lingual follicles. Folliculi linguales. Dome-

22shaped protrusions of the mucosa, 1−5 mm in diameter, caused by masses of lymphatic tissue beneath them. Each has a central crypt. A

2316 Lingual septum. Septum lingualis. Connective tissue plate with a special fibrous architecture

24located in the midsagittal plane. C

17 Lingual aponeurosis. Aponeurosis lingualis.

25Stout connective tissue framework of the tongue between the muscles and the mucosa. C