M/F pelvis and peritoneum

Question 1

corrugator cutis ani

Answer 1

most superficial muscle that forms the ext anal sphincter

just over the superficial zone

Question 2

Pudendal canal

Answer 2

split of obturator fascia that conduts int. pudendal vessels and pudendal nn

Question 3

Contents of the ischioanal fossa

Answer 3

adipose tissue (continuation of Camper’s Fascia)

internal pudendal vessels
inf rectal vessels
internal pudendal nn.

*Posteriorly R and L can communicate freely
similar communication is prevented within the anterior recess by the UG diaphragm

Question 4

Alcocks’s canal

Answer 4

split of the obturator fascia that conducts the internal pudendal vessels and the pudendal nn. back into the perineum after they leave the pelvis thru the greater sciatic foramen

Question 5

layers of fascia surrounding the penis (super to deep)

Answer 5

Skin 
superficial fascia ( colle's) 
Deep fascia ( Buck's) 
Tunica albuginea ( surrounds each CC and CS)

Question 6

Septum of penis

Answer 6

layer of tunica albuginea that runs b/w L and R CC

highly fenestrated to allow equal filling during erection

Question 7

Suspensory ligament of penis

Answer 7

arises form PS and inserts into the deep fascia of the penis (Buck’ Fascia)

Question 8

Bulbospngiosus (M)

Answer 8

surrounds the bulb of penis

compresses urethra to expedite ejaculate

Question 9

Ischiocavernosus (m)

Answer 9

Erector of the penis

located superior to the crus

Question 10

superficial penile fascia

Answer 10

extension of Colles’ fascia, just below the skin

extends into the scrotum and is called Dartos fascia

Question 11

vascular supply to the scrotum

Answer 11

anterior scrotal branches from ext pudendal a. (from femoral al.)

posterior scrotal branches from pudendal —.perineal a.

Question 12

innervation to the scrotum

Answer 12

anterior scrotal branches (from ilioinguinal)

posterior scrotal branches from the perineal branch of the pudendal n.

Question 13

labia minora

Answer 13

homolog of urethral folds in the male

join anteriorly around the clitoris to form the prepuce (superior) and the frenulum (inferior)

Question 14

central tendon (F)

Answer 14

aka perineal body
larger and more prominent than in males

insertion point for super and deep transverse perineal muscles
bulbospongiosus m.
and ext anal sphincter

Question 15

vestibular bulbs

Answer 15

homologue of SC
lies along base of labia majora
covers the greater vestibular glands,

Question 16

greater vestibular (bartholin’s) glands

Answer 16

located at posterior aspect of labia majora

(8 and 4)

homolog of the bulbourethral gland

Question 17

clitoris

Answer 17

formed of CC erectile tissue

buried under prepuce

attached to the Pubic sympth via suspensory ligament of clitoris (from Buck’s fascia)

Question 18

bulbospongiosus (F)

Answer 18

wraps around the labia minora

Question 19

ischiocavernosus (F)

Answer 19

from ischiopubic rami to pubic arch to form the crura of clitoris

Question 20

blood supply to the central tendon

Answer 20

from the transverse perineal a. (i.e. from perineal a.)

Question 21

branches of int. pudendal a.

Answer 21

artery of bulb
urethral a.
aa. to mm. of deep perineal space
deep and dorsal artery of clitoris or penis

Question 22

superficial dorsal v. of penis

Answer 22

drain via ext pudendal to femoral v.

located b/w superficial and deep (Buck’s) fascia

Question 23

deep dorsal v. of penis

Answer 23

single large midline v. deep to deep fascia

drains to prostatic plexus and pudendal plexus

Question 24

tunica vaginlais

Answer 24

from processus vaginialis
forms partial cover around the testes
** extension of peritoneum
—>fill with fluid in hydrocele (when patent)
—>fill with intestine in indirect hernia (when not patent)
**has visceral and parietal layers

Question 25

Tunica albuginae

Answer 25

dense CT the covers the testes directly | divides it into lobules

Question 26

lobules of testes

Answer 26

divided by tunica albuginea | each contains convoluted seminiferous tubules, straight seminiferous tubules, and rete testes

Question 27

Layers of tissues surrounding the testes

Answer 27

skin superficial (dartos) fascia ext spermatic fascia (from EAO) cremaster muscle fascia and fascia (from IAO) int spermatic fascia (from transversalis fascia parietal layer of TV visceral layer of TV tunica albuginea

Question 28

ilioinguinal n.

Answer 28

passes thru inguinal canal, runs with spermatic cord distributes to: upper and medial thigh upper ant scrotum anterior scrotal n. or ant labial n.

Question 29

genitofemoral n.

Answer 29

L1 L2 genital branch passes thru canal to supply the cremaster and is continuous with scrotum

Question 30

seminal vesicles

Answer 30

arise as blind pouches that drain into the ducuts deferens located on posterior surface of bladder just on top of prostate functional sex glands add 60% of the seminal flulid

Question 31

ejaculatory ducts

Answer 31

junction of ductus deferens with seminal vessels | run thru the prostate and empty into the prostatic urethra

Question 32

development of prostate

Answer 32

formed from 5 outgrowths of the urethra | **middle (above ejaculatory duct) and posterior lobes (below ejaculatory duct)

Question 33

prostate blood supply

Answer 33

inferior vesicle a. - -> capsular a. (main portion of gland) - --->urethral aa.----> prostatic urethra and adjacent tissues

Question 34

prostatic venous drainage

Answer 34

both drain back to internal iliac v. ``` vesicular plexus (on posterior of bladder) prostatic plexus (anterior and lateral) ```