Urogenital organs

Question 1

Internal iliac artery

Answer 1

BRANCHES:
iliolumbar artery
lateral sacral artery
superior gluteal artery (⇒gluteus medius and minimus)
inferior gluteal artery (⇒gluteus maximus)
internal pudendal artery
obturator artery (⇒adductor muscles)
umbilical artery
inferior vesical artery
middle rectal artery
uterine artery (⇒uterus + fallopian tube)

Question 2

Urinary bladder

Answer 2

• located in lesser pelvis
• capacity of 300-500ml
• infraperitoneal orgam
• ligaments to symphysis: pubovesical/puboprostatic
• support: superior pelvic diaphragmatic fascia

Question 3

Blood supply of Urinary bladder

Answer 3

ARTERY:
- superior/inferior vesical artery
- obturator artery
- inferior gluteal artery
- uterine artery
- vaginal artery
VEIN:
- vesicoprostatic plexus/ plexus at base of round ligament ⇒ internal iliac vein

Question 4

Innervation of Urinary bladder

Answer 4

sympathetic: hypogastric plexus
parasympathetic: pelvic splanchnic nerves

Question 5

Male Urethra

Answer 5

• internal sphincter muscle ⇒ pierces prostate
• 3 parts: prostatic, membranous, spongy part
• 2 flexures: perineal flexure and pubic flexure
• bulbourethral glands + Littre’s glands open into

Question 6

Layers of scrotum

Answer 6

1. tunica vaginalis
2. spermatic fascia
3. cremaster muscle
4. cremasteric fascia
5. tunica dartos
6. skin

Question 7

Blood supply of Prostate

Answer 7

ARTERY:
- inferior vesical artery
- middle rectal artery
- pudendal artery
VEIN: prostatic plexus ⇒ internal pudendal vein

Question 8

Blood supply of penis

Answer 8

ARTERY:

- dorsal and deep penile arteries

Question 9

Nerve supply of penis

Answer 9

dorsal penis nerve (pudendal nerve)

Question 10

Blood supply of ovaries

Answer 10

ARTERY:
- ovarian artery (abdominal aorta)
VEIN:
- ovarian vein ⇒ renal vein/ IVC

Question 11

Uterus

Answer 11

• located in lesser pelvis
• intraperitoneal organ
• anteverted 70-80 degrees
• anteflexed
• fundus, body and cervix
• endometrium, myometrium, perimetrium
• length 7-8 cm
• support: urogenital and pelvic diaphragm, broad ligament, pubovesical and vesicouterine ligaments

Question 12

Pelvic diaphragm

Answer 12

• composed of levator ani muscle + superior and inferior pelvic diaphragm fascia

Question 13

Urogenital diaphragm

Answer 13

• composed of deep transverse perineal muscle + inferior and superior urogenital diaphragm fascia

Question 14

Ischiorectal fossa

Answer 14

BORDERS:
lat: obturator internus muscle + fascia
med: levator ani muscle + inferior pelvic fasica
CONTENT:
- pudendal nerve
- internal pudendal artery and vein
⇒ Alcock's canal