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1 PERINEUM. Segment between anus and genitalia.

2 Perineal raphe. Raphe perinealis. Raphe along the medial line of the perineum; it is continuous with the scrotal raphe.

3 Perineal muscles. Musculi perinei (perineales).

4 Perinealbody.Centraltendonofperineum.Cen-trum tendineum perinei. Tough fibromuscular mass in the median plane of the perineum where the perineal muscles unite between the rectum and vagina or urethra. A

5 PELVIC DIAPHRAGM. Diaphragma pelvis. Muscularfloorofpelvisformedmainlybythele-vator ani muscle. A B

| 6 M. levator ani. Funnel-shaped muscle extending from the pubis and obturator fascia to the anus and the anococcygeal ligament. I: Pudendal nerve and S3-4.AB

7 M. pubococcygeus. Fibers of the levator ani passing from the pubis to the perineal body, sphincter ani muscle and coccyx. A B

8 M. levator prostatae (m. pubovaginalis). Fibers of the pubococcygeus muscle radiating into the fascia of the prostate or the wall of the vagina. A

9 M. puborectalis. Muscle running posteriorly from the pubis and looping around the perineal flexure ofthe rectum. A

10 M. iliococcygeus. Musclepassingfromtheten-dinous arch of the levator ani to the coccyx and the anococcygeal ligament. AB

11 Tendinous arch of levator ani muscle. [Arcus tendineus m. levatoris ani]. Arched tendinous thickening of the obturator fascia at the origin of the levator ani. A B

12 Anococcygeal ligament. Lig. anococcygeum. Tough connective tissue tract between the anus and coccyx. AC

13 M. coccygeus. Fan-shaped muscle fibers pass-ingfromtheischialspinetothelateralsurfacesof the sacrum and coccyx. They are fused with the sacrospinous ligament. I: S4-5. A

14 M. sphincter ani externus. External anal sphincter. Skeletal muscle that consists of the three parts listed below. I: Pudendal nerve. B C

15 Subcutaneous part. Pars subcutanea. More superficial portion of the external anal sphincter radiating into the dermis in front of and behind the anus. BC See p. 177 B

16 Superficial part. Parssuperficialis.Fibersofex-ternal anal sphincter which spread out between the perineal body and the anococcygeal ligament. B C

17 Deep part. Pars profunda. Purely circular por-tionoftheexternalanalsphincterwhichattainsa height fo 3-4 cm. B C

18 Pelvic fascia. Fascia pelvis. Connective tissue coveringofthepelvicvisceraandthepelvicwall. It is the caudal continuation of the transversalis fascia.

Feneis, Pocket Atlas of Human Anatomy © 2000 Thieme

19 Parietal pelvic fascia. Fascia pelvis parietalis. Portionofthepelvicfascialiningthepelvicwall.A B

20 Obturator fascia. Fascia obturatoria. Especially strong portion of the pelvic fascia situated on the obturator internus muscle. A B

21 Visceral pelvic (endopelvic) fascia. Fascia pelvis visceralis [[f. endopelvina]]. Portion of the pelvic fascia that invests the pelvic viscera. B

22 Prostatic fascia. Fascia prostatae. Fascia of prostate which fuses with the surrounding tissues. C

23 Peritoneoperineal fascia. Fascie peritoneoper-inealis. Collective term for 24 and 25.

24 Rectovesical septum. Septum rectovesicale. Connective tissue partition between the rectum and urinary bladder. It is a part of the pelvic and prostatic fascia. C

25 Rectovaginal septum. Septum rectovaginale. Connective tissue partition between the rectum and vagina. It is a part of the pelvic fascia.

26 Superior fascia of pelvic diaphragm. Fascia diaphragmatis pelvis superior. Fascial covering on the superior surface of the pelvic diaphragm (facing the pelvis). B

27 Tendinous arch of pelvic fascia. Arcus ten-dineus fasciae pelvis. Tendinous reinforcement of the pelvic fascia that arches from the symphysis downward to the ischial spine. It corresponds tothebandwherethevisceralvesselsandnerves leave the lateral wall of the pelvis and where the pelvic connective tissue is especially firmly united with the pelvic wall. A

28 Puboprostatic (pubovesical) ligament. Lig. puboprostaticum (pubovesicale). Reinforced connective tissue permeated with smooth muscle passing from the pubic symphysis to the prostate (to the neck of the bladder in females). C

29 Inferior fascia of pelvic diaphragm. Fascia diaphragmatis pelvis inferior. Fascia covering the levator ani muscle on the side of the ischio-anal fossa. B

1 Urogenital diaphragm. [[Diaphragm urogenitale]]. Fibromuscularwall spread out between the right and left inferior rami of the pubis. ABE

2 Deep perineal space. Spatium perinei profun-dum. Space between the inferior and superior fascia of the urogenital diaphragm. Contents: Deep transversus perinei and sphincter urethrae muscles; bulbo-urethral glands; nerves and vessels for the penis. A

3 M. transversus perinei profundus. Trapezoid-shaped muscular plate stretched out in the pubic arch. I: Pudendal nerve. A B E F

4 M. sphincter urethrae. Muscular fibers surrounding the membranous part of the urethra. I: Pudendal nerve. A E F

4 a M. compressor urethrae. Muscle fibers that extend distally from the m. sphincter urethrae to the ramus of the ischium. F

4 b M. sphincter urethrovaginal. Muscle fibers that extend distally from the m. compressor urethrae to the bulb of the vestibule. F

5 Superior fascia of urogenital diaphragm. Fascia diaphragmatis urogenitalis superior. Fascia of the deep transverse perinei muscle located on the side of the ischio-anal fossa. A

6 Perineal membrane [Inferior fascia of urogenital diaphragm]. Membrana perinei [fascia diaphragmatis urogenitalis inferior]. Fascia on the anteroinferior surface of the deep transverse per-inei muscle.

7 Transverse perineal ligament. Lig. transversum perinei. Thickened fusion of both fasciae of the urogenital diaphragm at the anterior, upper margin of the deep transverse perinei muscle. E

8 Superficial perineal space. Spatium perinei su-perficiale. Space between the superficial perineal fascia and the inferior fascia of the urogenital diaphragm. It contains the root of the penis. A

9 M. transversus perinei superficialis. Inconstant separated portion of the deep transverse perineal muscle. It radiates out into the perineal body. I: Pudendal nerve. B

10 M. ischiocavernosus. Muscle that arises from the ramus of the ischium, lies on the crus of the penis and attaches to its tunica albuginea. I: Pudendal nerve. A B

11 M. bulbospongiosus [[m. bulbocavernosus]].

Muscle that arises from the perineal body and the median raphe of the corpus spongiosum, then passes lateral to them and extends to the inferior perineal membrane and the dorsum of the penis. In the female it follows the course of the bulb of the vestibule. I: Pudendal nerve. A B; see also page 225 D

12 Superficial perineal fascia. Fascia perinei superfi-cialis. Fascia forming the anteroinferior border of the superficial perineal space. A

13 ISCHIOANAL FOSSA. Fossa ischioanalis. Space between the levator ani and obturator internus muscles. It is bordered anteroinferiorly by the urogenital diaphragm. AB

Fat body of ischioanal fossa. Corpus adiposum fossae ischioanalis. A pad of fat in the ischioanal

15 Pudendal [[Alcock's]] canal. Canalis pudendalis [[Alcock]]. Splitting of obturator fascia in lateral wall of ischioanal fossa to form a tunnel for passage of the pudendal vessels and nerves. A

16 Retropubic space. Spatium retropubicum [[spatium praevesicale; cavum Retzii]]. Space between the urinary bladder and the pubis filled with loose connective tissue and bounded inferi-orly by the puboprostatic ligament. C

17 PERITONEUM. Serous membrane that lines the peritoneal cavity.

18 Abdominal cavity. [[Cavitas abdominalis]].

19 Peritoneal cavity. Cavitas peritonealis. Space in abdominal cavity enclosed by peritoneum.

19 a Extraperitoneal space. Spatium extraperitoneale.

Space in connective tissue with no relationship to the peritoneum.

20 Retroperitoneal space. Spatium retroperi-toneale. Space between the peritoneum and the transversalis fascia.

21 Extraperitoneal fascia. Fascia extraperitonealis. Connective tissue layer of varying thickness beneath the peritoneum.

22 Extraperitoneal organ. Organum extraperitoneale. Organ in extraperitoneal space.

23 Parietal peritoneum. Peritoneum parietale. Peritoneum of abdominal wall. D

24 Tunica serosa. Serous membrane lined by smooth, simple peritoneal epithelium.

25 Tela subserosa. Connective tissue layer beneath the serosa.

26 Visceral peritoneum. Peritoneum viscerale. Peritoneum covering the abdominal viscera. D

27 Tunica serosa. See 24.

28 Tela subserosa. See 25.

29 Epiploic foramen [[of Winslow]]. Foramen omentale (epiploicum). Opening into the lesser sac behind the hepatoduodenal ligament. D

30 Omental bursa [[lesser sac of peritoneum]].

Bursa omentalis. A peritoneal cavity situated mainly behind the stomach. D

31 Vestibule of omental bursa. Vestibulum bursae omentalis. Portion of the omental bursa situated near the caudate lobe of the liver and bounded by the gastropancreatic folds on the left. D

32 Upper omental recess. Recessus superior omentalis. Upwardly directed recess between the inferior vena cava and the esophagus. D

33 Lower omental recess. Recessus inferior omentalis. Lower portion of the omental bursa located between the stomach and transverse colon, or, in some cases, between the anterior and posterior layers of the greater omentum. D

34 Splenic recess. Recessus splenicus (lienalis). Left portion of lower omental recess bounded by splenic ligaments. D

35 Gastropancreatic folds. Plicae gastropancreat-icae. Folds in the posterior wall of the lesser sac formed bytheleftgastricand commonhepaticar-teries. D

35 a Hepatopancreatic fold. Plica hepatopancreatica. Also called plica gastropancreatica dextra. Peritoneal fold that encloses the common hepatic s. A p<

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