Материал: Атлас Ханц фениш

160

Urogenital system

Epididymis. Lying on the posteromedial surface

19

Ejaculatory duct. Ductus ejaculatorius. Sper-

1

1

of the testis, it serves as a storage receptacle for

matic duct formed by the union of the ductus

sperm. A

deferens and the duct of the seminal vesicle. It

2

2

Head of epididymis. Caput epididymidis. It is

traverses the prostate and empties into the

occupied by the efferent ductules. A

prostatic urethra. B

20

Seminal

vesicle.

Vesicula seminalis. Er-

3

3

Body

of

epididymis.

Corpus

epididymidis.

roneously designated as a receptacle for sperm,

Middle segment of the epididymis consisting of

this organ is a vesicular gland which consists of a

the convolutions of the duct of the epididymis. A

4

coiled tube, about 12

cm in length. B C

4

Tail of epididymis. Cauda epididymidis. Infe-

21 Tunica adventitia. Connective tissue covering

rior, terminal portion of the epididymis con-

5

of the seminal vesicle. C

sisting of the convolutions of the duct of the

22

Tunica muscularis. Muscular layer in the wall of

epididymis. A

6

5

Lobules (cones) of epididymis. Lobuli coni

the seminal vesicle. C

23

Tunica mucosa. Multilocular mucous mem-

epididymidis. Wedge-shaped lobules in the

head of the epididymis separated by connective

brane of the seminal vesicle lined by a simple

7

tissue and formed by one or two efferent duc-

secretory epithelium. C

tules. A

24

Excretory duct. Ductus excretorius. Efferent

8

6

Duct

of

epididymis.

Ductus

epididymidis.

duct of the seminal vesicle. It unites with the

ductus deferens to form the ejaculatory duct. B

Coiled duct, 5−6

meters long, beginning at the

25

Spermatic cord. [[Funiculus spermaticus]]. It

end of the head of the epididymis where it re-

9

ceives the efferent ductules. It terminates at the

consists of the ductus deferens, accompanying

end of the tail where it is continuous with the

vessels, nerves and connective tissue, together

10

ductus deferens. A

with its coverings. D

7

Aberrant ductules. Ductuli aberrantes. Blind

26

Tunicae funiculi spermatici. Coverings of the

branches of the efferent ductules and duct of the

spermatic cord and the testis, described below.

11

epididymis representing vestiges of the caudal

D

mesonephric tubules.

27

External spermatic fascia. Fascie spermatica

12

8

[Ductulus aberrans superior]. Superior aber-

externa. Outer covering of the spermatic cord,

rant ductule in the head of the epididymis.

which is continuous with the fascia of the exter-

13

9

[Ductulus aberrans inferior]. Inferior aber-

nal oblique m. of the abdomen. It also envelops

the testis together with its remaining coverings.

rant ductule in the tail of the epididymis. A

D

14

10

Appendix testis. Vesicular appendage superior

28

M. cremaster. Elevator of the testis. It is derived

to the testis (vestige of the paramesonephric

mainly

from internal abdominal oblique

duct). A

15

muscle. D

11

[Appendix

epididymidis]. Appendix of epid-

29 Cremasteric fascia. Fascia cremasterica. Con-

idymis. Pedunculate appendage at the head of

nective tissue on and between the cremaster

16

the epididymis (vestige of the mesonephros). A

muscle fibers. D

12 Paradidymis. Bilateral blind ductules superior

30 Internal spermatic fascia. Fascia spermatica in-

17

to the head of the epididymis and in front of the

terna [tunica vaginalis communis]]. The finger-

spermatic

cord

(remnant of

mesonephric

like inner covering of the spermatic cord, which

tubules). A

is derived from the transverse fascia. It lies

18

13

Ductus deferens. Spermatic duct, about 60 cm

beneath the cremaster muscle and surrounds

long, between the epididymis and the seminal

the testis, epididymis and ductus deferens to-

19

vesicle. It is initially coiled and then becomes

gether with blood vessels and nerves. D

straight. A B D E

31

Vestige of vaginal process. [Vestigium proces-

20

14

Ampulla of ductus deferens. Ampulla ductus

sus vaginalis]. Remnant of the not completely

deferentis. Oval enlargement of ductus deferens

obliterated embryological vaginal process of the

just prior to joining the duct of the seminal ves-

peritoneum. D

21

icle. B

15

Diverticula of ampulla. Diverticula ampullae.

22

Lateral sacculations in the wall of the ampulla of

the ductus deferens. B

16

Tunica adventitia. Connective tissue covering

23

of the ductus deferens. E

24

17 Tunica muscularis. Relatively very thick muscle

layer of the ductus deferens. E

162

Urogenital system

Tunica vaginalis testis. Double-layered serous

19

Capsule of prostate. Capsula prostatica. Pro-

1

1

covering of the testis, a remnant of the vaginal

vided with smooth muscle fibers, it is firmly

process of the peritoneum. A

fused to the prostate. D

2

2

Parietal layer.

Lamina parietalis

[[peri-

20

Parenchyma. Glandular component of the pros-

orchium]]. External layer of the serous tunica

tate.

3

vaginalis testis. A

21

Prostatic ductules. Ductuli prostatici. 15−30

3

Visceral layer. Lamina visceralis [[eporchium]].

glandular excretory ductules which open into

4

Layer of the tunica vaginalis testis that attaches

the prostatic urethra. C

superiorly to the testis. A

22

Substantia muscularis. Smooth muscle situated

4

Superior ligament of epididymis. Lig. epid-

between the glandular alveoli. C

5

idymidis superius. Reflected fold of the tunica

23

M. puboprostaticus. Tracts of smooth muscle

vaginalis testis located superiorly at the head of

contained within the puboprostatic (pubovesi-

6

the epididymis. A

cal) ligament extending from the pubic symphy-

5

Inferior ligament of epididymis. Lig. epididy-

sis to the prostate.

midis inferius. Reflected fold of the tunica vagi-

24

Bulbourethral [[Cowper’s]] gland. Glandula

nalis testis situated inferiorly at the tail of the

bulbourethralis [[Cowper’s]]. Pea-sized mucous

7

epididymis. A

gland located in the urogenital diaphragm. E

6

Sinus of epididymis. Sinus epididymidis. Ser-

25

Duct of bulbourethral gland. Ductus gl. bul-

8

ous cleft between the testis and epididymis. It is

bourethralis. Excretory duct of the bulbourethral

accessible laterally and is bordered above and

gland, 3−4 cm long. E

9

below by the superior and inferior ligaments of

26

EXTERNAL MALE GENITALIA. Organa genitalia

the epididymis. A

masculina externa. E

7

Descent of testis. [[Descensus testis]]. Down-

27

Penis. Male copulatory organ consisting of

10

ward migration of the fetal testis during the last

cavernous bodies and the urethra. E

weeks of pregnancy. It descends from the peri-

28

Root of penis. Radix penis. Portion of the penis

11

toneal cavity into the scrotal sac via the inguinal

attached to the pubis. E

canal.

29

Body (shaft) of penis. Corpus penis. Portion of

8

[[Gubernaculum testis]]. Fetal connective tissue

12

the penis situated between the root and the

band which arises from the caudal gonadal fold

glans. E

and guides the testis during its descent.

30

Crus penis. Cavernous body attached to the infe-

13

9

Genitoinguinal ligament. [[Lig. genitoingui-

rior ramus of the pubis. E

nale]]. Embryonic

precursor of the

guber-

31

Dorsum penis. Flattened upper surface of penis.

14

naculum testis.

32

Urethral surface. Facies urethralis. Underside of

10 Prostate. Prostata (glandula prostatica). Chest-

penis. It bears the urethra within the corpus

nut-sizedorganconsistingof30−50tubulo-alve-

spongiosum. E

17

12

Apex of prostate. Apex prostatae. Portion of

prostate directed downward and forward and

containing the urethra. B

18

13

Anterior surface. Facies anterior. Surface of the

prostate facing the symphysis. B D

19

14

Posterior surface. Facies posterior. Surface of

the prostate facing the rectum. B

15

Inferolateral surface. Facies inferolateralis. Sur-

20

face of the prostate directed downward and

lateral. D

21

16

Right/left lobe. Lobus (dexter/sinister). Part of

the prostate arising from the caudal anlage. B D

17 Isthmus of prostate. Isthmus prostatae. Median

22

part of the prostate located in front of the urethra

and connecting the right and left lobes. It is

23

devoid of glands and possesses a fibromuscular

stroma. D

18

Middle lobe. [Lobus medius]. Prostatic lobe sit-

24

uated between the ejaculatory duct and the

urethra. It tends to undergo hormone-induced

25

hypertrophy in the elderly, thus closing the

urethral canal like a valve. B D

164

Urogenital system

Glans penis. Expanded end of the corpus spon-

22

Preputial glands. Gll. preputiales. Sebaceous

1

1

giosum penis. A D

glands, mainly on the corona of the glans.

2

2

Corona glandis. Raised posterior margin of the

23

Male urethra. Urethra masculina. D

glans. A D

24

Prostatic part of urethra. Pars prostatica. Por-

3

Septum glandis. Median partition in the glans.

tion of male urethra passing through the pros-

3

C

tate. D

4

Collum glandis. Neck of glans. Constricted por-

25

Urethral crest. Crista urethralis. Mucosal fold in

4

tion behind the corona. A

the dorsal wall of the prostatic urethra continu-

5 Prepuce (foreskin) of penis. Preputium penis.

ous with the uvula of the urinary bladder. D

26

Colliculus seminalis. Elevated portion (veru-

5

Double layer of skin over the glans. A

6

Frenulum of prepuce. Frenulum preputii. Re-

montanum) of the urethral crest containing the

openings of the ejaculatory duct. D

6

flected fold passing from the prepuce to the un-

27

Prostatic utricle. Utriculus prostaticus. Blind

derside of the glans. A

7

Raphe penis. Seam on the skin on the underside

sac in the colliculus seminalis measuring up to

1 cm in length and representing a rudiment of

7

of the penis that forms during development. B

the paramesonephric duct. D

8

Corpus cavernosum

penis. Cavernous body

28

Prostatic sinus. Sinus prostaticus. Furrow on

8

divided into two halves by the septum of the

both sides of the colliculus seminalis containing

penis. A B D

the openings of the prostatic ductules. D

9

9 Corpus spongiosum penis.Cavernousbodysur-

29

Membranous part of urethra. Pars mem-

rounding the urethra. A B D

branacea. Portion of the male urethra passing

10

10

Bulb of penis. Bulbus penis. Posterior thickened

through the urogenital diaphragm. D

end of the corpus spongiosum. D

30 Spongy part of urethra. Pars spongiosa. Portion

11 Tunica albuginea of corpora cavernosa.Tunica

of male urethra surrounded by the corpus spon-

11

albuginea corporum cavernosorum. Tough con-

giosum. D

nective tissue covering of the corpora cavernosa.

31

Navicular fossa of urethra. Fossa navicularis

12

B

urethrae. Oval dilatation of the male urethra

12

Tunica albuginea of corpus spongiosum.

before its external opening. A D

13

Tunica albuginea corporis spongiosi. Less firm

32

Valve of navicular fossa. [Valvulafossaenavic-

connective tissue covering of the corpus spon-

ularis]. Mucosal fold on the upper wall of the

giosum. B

navicular fossa.

14

13

Septum of penis. Septum penis [[septum pec-

33

External urethral orifice. Ostium urethrae ex-

tiniforme]]. Pectinate partition between the

ternum. D

15

right and left corpus cavernosum. Gaps are pre-

34

Urethral lacunae. Lacunae urethrales. Numer-

sent. B

ous outpocketings in the urethral mucosa with

14

Trabeculae corporum cavernosorum. Connec-

16

the openings of the urethral glands. D

tivetissuetractswithinthecorporacavernosain-

35 Urethral glands. Gll. urethrales. Small mucous

terspersed with smooth muscle. A B D

17

glands opening into the urethral lacunae.

15

Trabeculae corporis

spongiosi. Connective

36

Ductus (canales) paraurethrales. Inconstant

tissue tracts within the corpus spongiosum in-

paraurethralductsthatdraintheurethralglands.

18

terspersed with smooth muscle. B

They open in the vicinity of the external urethral

16

Cavernae corporum cavernosorum. Wide-

orifice.

19

meshed, blood-filled spaces within the corpora

cavernosa. B D