GI Anatomy 8

Question 1

What branch is given off the external iliac before the inferior epigastric?

Answer 1

The deep circumflex iliac artery

Question 2

What artery supplies the prostate?

Answer 2

The prostatic branch of the inferior vesical

Question 3

What is the uracus?

Answer 3

Fibrous remnant of the allantois

Question 4

What is the medial inguinal triangle or inguinal triangle of Hesselbach?

Answer 4

Weakening through which a direct inguinal hernia can occur

Question 5

What is the anteflexion angle and what value does it have normally?

Answer 5

Angle between the axis of the uterus and the axis of the cervix, usually about 120 degrees

Question 6

What is the anteversion angle and what is its value normally?

Answer 6

Angle between the axis of the cervix and axis of the vagina, usually about 90degrees

Question 7

What is the perineal body?

Answer 7

Fibromuscular mass on which levator ani, muscles of urogenital diaphragm and anal sphinter muscle converge

Question 8

What are the 3 functions of the pelvic floor?

Answer 8

Childbirth, continence and support

Question 9

What 3 layers is the urogenital diaphragm made up of?

Answer 9

Superior layer of loose connective tissue
Layer of striated muscle which forms the external urethral sphincter and sphincter of the vagina
Inferior thick layer of fascia which is the perineal membrane

Question 10

How does the posterior scrotal/labial artery pass into the superficial perineal pouch?

Answer 10

Posterior to the free edge of the urogenital diaphragm

Question 11

What are the contents of the deep perineal pouch in the male and female

Answer 11

External urethral sphincter - both
Female 
Compressor urethra
Urethrovaginal sphincter
Smooth muscle (along posterior border of urogenital diaphragm)
Male
Deep transverse perineal muscle
Bulbourethral glands within deep transverse perineal

Question 12

What are the contents of the superficial perineal pouch in the male?

Answer 12

Urethra
Corpus cavernosus
Crus of the penis
Ischicavernosus muscle
Corpus spongiosus
Bulb of the penis
Ischiospongiosus muscle
Perineal body
Superficial transverse perineal
External anal sphincter
Anus
Ischial ramus

Question 13

What are the contents of the superficial perineal pouch in the female?

Answer 13

The body of the clitoris
Curs of the clitoris
Ischiocavernosus muscle
Bulb of the clitoris
Bulbospongiosus muscle
Superfical transverse perineal muscle
Great vestibular gland
Ischial ramus
External anal sphincter 
External urethral orifice
Vaginal orifice
Perineal body
Anus

Question 14

In which sex only does the internal urethral sphincter exist and why?

Answer 14

Male

Prevent retrograde movement of semen during ejaculation

Question 15

Where are the bulbourethral glands in the male and the great vestibular glands in the female situated and what is there function?

Answer 15

Bulbourethral glands in the male are in the deep perineal pouch
Greater vestibular glands in the female are in the superficial perineal pouch
Lubricate the vagina or the urethra
Contribute to the ejaculate

Question 16

What are the 4 parts of the male urethra?

Answer 16

The pre prostatic
Prostatic
Membranous
Spongy

Question 17

What are the 2 types of fascia found in the male perineum but not the female perineum and what do they cover?

Answer 17

Dartos fascia - superficial fascia of the penis and around the scrotum
Bucks fascia - deep fascia around the erectile tissues of the penis

Question 18

In which perineal pouch does the smooth muscle between the 2 ischial tuberosities sit in the female

Answer 18

Deep perineal pouch

Question 19

In which perineal pouch does the deep transverse perineal muscle sit in which sex?

Answer 19

Only in the male

In the deep perineal pouch

Question 20

In which perineal pouch does the superficial transverse perineal muscle sit in which sex?

Answer 20

In both sexes

In the superficial perineal pouch

Question 21

In which perineal pouch does the ischial ramus sit?

Answer 21

Superficial

Question 22

In which perineal ouch does the perineal body sit?

Answer 22

Superficial

Question 23

In which perineal ouch does the external anal sphincter and anus sit?

Answer 23

Superficial perineal pouch

Question 24

In which perineal pouch does the external urethral sphincter sit?

Answer 24

In the deep perineal pouch