Pelvic Neurovasculature

Question 1

Supplies the medial ilium and L5 w/blood

Answer 1

Iliolumbar a.

Question 2

Supplies the sacrum and ventral sacral nn w/blood

Answer 2

Lateral Sacral a.

Question 3

Supplies gluteal mm, exits greater sciatic foramen

Answer 3

Superior and Inferior Gluteal aa.

Question 4

Artery between S2 and S3 nn

Answer 4

Inferior Gluteal a.

Question 5

Artery between L5 and S1 nn

Answer 5

Superior Gluteal a.

Question 6

Exits thru greater sciatic foramen, re-enters thru lesser sciatic foramen, supplies UG and anal triangles

Answer 6

Internal Pudenal a.

Question 7

Supplies medial thigh w/blood

Answer 7

Obturator a.

Question 8

Anastomosis between Inferior Epigastric artery and Obturator artery

Answer 8

Corona Mortis (Crown of Death)

Question 9

In males, the Vaginal artery is called the ______

Answer 9

Inferior Vesical a.

Question 10

During hysterectomy the ____ is tied off and cut, but the ____ can also be cut accidentally for serious problems.

Answer 10

Uterine a.

Ureter

Question 11

Somatic innervation of the Pelvis/Perineum

Answer 11

Sacral Plexus

Question 12

Sacral Plexus (L4-S4) nerves

Answer 12

L4-L5: LS trunk

S1

S2-S3

S2-S4: contributes to pudenal n.

L4-S3: form sciatic and gluteal nn.

Question 13

Main autonomic plexus of pelvis

Answer 13

Inferior Hypogastric Plexus

Question 14

Pelvic Sympathetic fibers coverge and terminate anterior to coccyx as _____

Answer 14

Ganglion Impar

Question 15

Sacral splanchnic nn are ___ fibers off the ____

Answer 15

Sympathetic

Sympathetic chain

Question 16

Pelvic Splanchnic nn are ____ fibers off the ____

Answer 16

Parasympathetic

S2-S4

Question 17

The ____ nn. are easily injured during rectal surgery or radical hysterectomy. This results in impaired _____ or _____

Answer 17

Sacral/Pelvic Splanchnic

Bladder control
Sexual Function

Question 18

T/F

Each abdominopelvic organ has its own lymphatic drainage

Answer 18

True

Question 19

Lymphatic drainage moves _____ to _____ then ______

Answer 19

Superficial
Deep

Superiorly

Question 20

Lymphatic drainage of R head/neck, R UL, R upper thorax

Answer 20

Right Lymphatic Duct

Question 21

Lymphatic drainage of L head/neck, L UL, most of thorax, abdomen, Pelvis, LLs

Answer 21

Thoracic Duct

Question 22

In the Superior Hypogastric Plexus, Sympathetics are _____ while Pelvic Parasympathetics are _____.

Answer 22

Descending

Ascending