BSR GA Review

Question 1

Deep membranous layer of the superficial perineal fascia that forms the inferior boundary of the superficial perineal pouch

Continuous with the dartos tunic fo the scrotum and the superficial fascia of the pennis

Answer 1

Colle’s fascia

Question 2

Inferior fascia of the urogenital diaphragm that forms the inferior boundary of the dep perineal pouch and the superior boundary of the superficial pouch

Answer 2

Perineal membrane

Question 3

The perineal membrane is thickened anteriorly to form the _______ ______ of the perineum which spans the subpubic angle just behind the deep dorsal vein of the penis

Answer 3

Transverse ligament of the perineum

Question 4

Muscles of the superficial perineal space

Answer 4

Ischiocavernosus m
Bulbospongiosus m
Superficial transverse perineal m

Question 5

Origin and insertion of the ischiocavernosus m

Answer 5

Inner surface of ischial tuberosities and ischiopubic rami

Insert into corpus cavernosum (crus of penis or clitoris)

Question 6

Innervation of the ischiocavernosus m

Answer 6

Perineal branch of the pudendal n

Question 7

Function of the ischiocavernosus m

Answer 7

Maintains erection of the penis by compressing the crus and the deep dorsal vein of the penis, retarding venous return

Question 8

Origin and insertion of the bulbospongiousus m

Answer 8

Perineal body and fibrous raphe of the bulb of the penis in the male and the perineal body in the female
To
The corpus spongiosum and perineal membrane in the male nad the pubic arch and dorsum of the clitoris in the female

Question 9

Innervation of the bulbospongiosus m

Answer 9

Perineal branch of the pudendal n

Question 10

Function of the bulbospongiousus m

Answer 10

Compress bulb in the male, impeding venous return from the penis and thereby maintaining erection
Contraction constricts the corpus spnogious, thereby expressing the last drops of urine or the final semin in ejactulation

Compress erectile tissue of the vestibular bulbs in the female and constrict the vaginal orifice