Pelvic neurovascular

Question 1

abdominal aorta splits to common iliac aa. at what vertebral level

Answer 1

L4

Question 2

vessels that supply the true pelvis

Answer 2

internal iliac a.

Question 3

supplies pelvic organs and gluteal region

Answer 3

internal iliac a.

Question 4

comes down midline of sacrum, right off abdominal aorta where the common iliac bifurcates

Answer 4

median sacral artery

Question 5

posterior trunk of internal iliac a. what three branches

Answer 5

Iliolumbar a.
laterla sacral a.
superior gluteal a.

Question 6

branch off posterior trunk of internal iliac a., between iliac crest and L5, supplies medial ilium and L5(superiorly)

Answer 6

iliolumbar a.

Question 7

posterior trunk of internal iliac a., often comes off as more than one branch, enters ventral sacral foramina, and supplies sacrum and ventral sacral n.

Answer 7

lateral sacral a.

Question 8

3rd major branch off posterior trunk of internal iliac a., between L5 and S1 nerves, enters gluteal region superior to piriformis m, supplies gluteal muscles, and exits greater sciatic foramen

Answer 8

superior gluteal artery

Question 9

anterior branch of internal iliac a., between S2 and S3(sometimes S1 and S2), inferior to piriformis muscle, supply gluteal mm with inferior gluteal n.

Answer 9

inferior gluteal a.

Question 10

anterior branch of internal iliac a., exits pelvis thru greater sciatic foramen, enters gluteal region inferomedial to piriformis, crosses over sacrospinous ligament, re-enters pelvis thru lesser sciatic foramen, supplies urogenital and anal triangles

Answer 10

internal pudendal a.

Question 11

formed by fascia of obturator internus muscle, runs anteriorly along ischiopubic ramus, contains internal pudendal artery and pudendal nerve back in pelvis

Answer 11

pudendal canal

Question 12

supplies urogenital, perineum and erectile tissues for male and females

Answer 12

pudendal

Question 13

anterior branch of internal iliac a., the umbilical artery runs toward anterior abdominal wall, sends 3-4 ____ to bladder and distal ureter, terminates as

Answer 13

superior vesical arteries

terminates as medial umbilical ligament

Question 14

anterior branch of internal iliac a., supplies medial thigh with obturator n. runs thru obturator canal

Answer 14

obturator artery

Question 15

the anastomoses of the Corona Mortis “crown of death”

Answer 15

obturator artery with inferior epigastric vessels.

Question 16

anterior branch of internal iliac a., supplies uterus, cervix, and superior vaginal canal, what runs immediately below this artery

Answer 16

uterine artery

ureter runs immediately below `

Question 17

uterine artery anastomoses with __from aorta

Answer 17

ovarian artery from aorta

Question 18

anterior branch of internal iliac a., in females supplies inferior vagina and adjacent bladder and rectum, in males supplies posterior inferior bladder, ureter, seminal vesicle and prostate
*ureter runs above this artery

Answer 18

females = vaginal artery

males = inferior vesical artery

Question 19

anterior branch of internal iliac a., supplies rectum, anastomoses with superior rectal artery from IMA and inferir rectal from internal pudendal artery

Answer 19

middle rectal artery

Question 20

veins of pelvis are all __, and drain into

Answer 20

valve-less

drain into IVC

Question 21

T10-L2 prevertebral plexus

Answer 21

sympathetic fibers

Question 22

sympathetic fibers, __=sacral splanchnic nerves

Answer 22

S2-S4

Question 23

S2-S4, is pelvic splanchnic nerves sympathetic or parasympathetic

Answer 23

pelvic splanchnic nerves = parasympathetic

Question 24

are splanchnic nerves sympathetic or parasympathetic

Answer 24

sympathetic

Question 25

presynaptic cell bodies of pelvis reside at what vertebral level *parasympathetic fibers

Answer 25

S2-S4

Question 26

why do we need pelvic parasympathetics to go up into the abdominal cavity

Answer 26

goes the vagus nerve ends at the proximal 2/3 of the transverse colon, so hindgut needs

Question 27

contains both sympathetic and parasympathetic fibers, found covering pelvic viscera bilaterally, serves as main autonomic plexus of pelvis

Answer 27

inferior hypogastric plexus

Question 28

autonomic plexus of pelvis

Answer 28

inerior hypogastric plexus

Question 29

sympathetic fibers off sympathetic chain

Answer 29

sacral splanchnic nerves

Question 30

presympathetic fibers off S2-S4

Answer 30

pelvic splanchnic nerves

Question 31

two things enter the inferior hypogastric plexus what are they

Answer 31

sacral splanchnic nerve and pelvic splanchnic nerve

Question 32

each organ has its own __ drainage

Answer 32

lymphatic

Question 33

lymphatic drainage is usually __ to ___

Answer 33

superficial to deep

Question 34

entire body lymphatic drains into__, located on the left side at the root of the neck at the venous angle(between left subclavian and left internal jugular)

Answer 34

thoracic duct

Question 35

drains left head and neck, remainder of thorax, abdomen, pelvis

Answer 35

thoracic duct

Question 36

state the path of the internal pudenal a.

Answer 36

exits pelvis thru greater sciatic foramen, enters gluteal region inferiomedial to piriformis, crosses over sacrospinous ligament, re-enters pelvis thru lesser sciatic foramen, supplies urogenital and anal triangles

Question 37

in males, branch off internal iliac artery, provides vas derens and seminal vesicle

Answer 37

superior vesical arteries off umbilical a. from anterior branch of internal iliac a.