(second midterm) Lecture 11 (5/11/16) PT. 2 Flashcards
Body wall branches of the internal iliac artery:
iliolumbar lateral sacral superior gluteal inferior gluteal internal pudendal obturator
The pudendal nerve goes out the same hole as what nerve?
sciatic nerve
The pudendal nerve goes out and then does what?
goes back in the lesser sciatic foramen
The bladder is an embryonic partition off the…
hindgut
What is the muscle that divides the greater sciatic foramen?
piriformis
Contents of perineum:
bladder
hindgut (sigmoid colon, rectum)
internal genitalia (female)
prostate gland, seminal vesicles (male)
Hindgut in perineum…
Unpaired branch of abdominal aorta:
Inferior mesenteric artery
left colic, sigmoid, rectal artery
Hindgut in perineum…
Unpaired tributary of hepatic portal vein:
inferior mesenteric vein
left colic, sigmoid, rectal tributaries
Hindgut in perineum…
Sympathetic nerve:
Lumbar splanchnics, lesser and least splanchnic nerves
Hindgut in perineum…
Sympathetic nerve segmental levels:
T10-12, L1-2
Hindgut in perineum…
Sympathetic ganglion:
Inferior mesenteric ganglion and inferior mesenteric plexus
Hindgut in perineum…
Parasympathetic nerve:
Pelvic outflow, S2-4 via pelvic splanchnic nerves
Bladder…
Arterial supply:
superior and inferior vesicle arteries (branches of internal iliac artery)
Bladder…
Venous drainage:
Superior and inferior vesicle veins (tributaries of internal iliac vein)
Bladder…
Sympathetic innervation/levels:
T12 via least splanchnic nerve
