Perineum and External Genitalia

Question 1

covered with very thin skin that contains numerous nerve-endings and is therefore very sensitive to touch

Answer 1

glans or head of penis

Question 2

anterior boundary of perineum

Answer 2

-inferior border of the symphysis pubis

Question 3

posterior boundary of perineum

Answer 3

coccyx

Question 4

lateral boundary of perineum

Answer 4

pubic arch, ischial tuberosities, sacrotuberous ligaments

Question 5

external boundary of perineum

Answer 5

skin

Question 6

internal boundary of perineum

Answer 6

separated from the pelvic cavity by the pelvic diaphragm

Question 7

perineum divided into 2 triangles:

Answer 7

Urogenital

Anal

Question 8

SURROUNDED BY AREOLAR ADIPOSE TISSUE WHICH OCCUPIES THE ISCHIORECTAL FOSSA

Answer 8

POSTERIOR OR ANAL TRIANGLE

Question 9

Fibromuscular tissue at median plane between lower end of vagina and anal canal
Attachment for the external anal sphincter, pulbospiongosus, and superficial and deep transverse perineal muscles

Answer 9

PERINEAL BODY

Question 10

SUPERFICIAL PERINEAL POUCH

Answer 10

Lined by Colles’ fascia inferiorly [superficially] and the perineal membrane superiorly [internally].
In the female, it lines the labia major, pudendal cleft, vestibule and labia minora; interrupted only by the urethral and vaginal openings.

Question 11

Muscles of female superficial pouch

Answer 11

Ischiocavernosus
Bulbocavernosus (Bulbospiongosus)
Superficial Transverse Perineal

Question 12

pair of small masses of erectile tissue [venous plexuses - Gray] on each side of the vaginal orifice, covered by the bulbo-spongiosus [bulbo-cavernosus] muscles of the perineum. They are the small homologues of the male’s bulb of the penis.

Answer 12

Bulbs of the Vestibule

Question 13

are small [pea-sized] glands covered by the bulbs of the vestibule. Their slender ducts open externally at the sides of the vaginal orifice at about 4 and 8 o’clock.

Answer 13

Greater Vestibular Glands [of Bartholin] -

Question 14

Inferior Boundary of Deep Perineal Pouch

Answer 14

perineal membrane

Question 15

Superior Boundary of Deep Perineal Pouch

Answer 15

blending of the superior fascia of the urogenital diaphragm and the inferior fascia of the pelvic diaphragm

Question 16

Contents of deep perineal pouch

Answer 16

1. sphincter urethra muscle
2. deep transverse perineal
   muscle

Question 17

Muscles of FEMALE DEEP PERINEAL POUCH

Answer 17

Muscles

1. External Sphincter urethra
2. Deep Transverse perineal

Question 18

MALE SUPERFICIAL POUCH

Muscles

Answer 18

1. Ischiocavernosus
2. Bulbospiongiosus (bulbocavernosus)
3. Superficial transverse perineal

Question 19

BRANCHES OF THE INTERNAL PUDENDAL ARTERY:

Answer 19

1. Transverse perineal
2. Posterior labial
3. Deep artery of the clitoris
4. Dorsal artery of the clitoris
5. Inferior rectal

Question 20

MALE DEEP PERINEAL POUCH

Muscles

Answer 20

1. External sphincter Urethra m
2. Deep transverse
   perineal m.

Question 21

BRANCHES OF THE INTERNAL PUDENDAL ARTERY

Answer 21

1. Transverse perineal
2. Posterior labial
3. Deep artery of the clitoris
4. Dorsal artery of the clitoris
5. Inferior rectal