Pelvic Neurovasculature Flashcards
Supplies the medial ilium and L5 w/blood
Iliolumbar a.
Supplies the sacrum and ventral sacral nn w/blood
Lateral Sacral a.
Supplies gluteal mm, exits greater sciatic foramen
Superior and Inferior Gluteal aa.
Artery between S2 and S3 nn
Inferior Gluteal a.
Artery between L5 and S1 nn
Superior Gluteal a.
Exits thru greater sciatic foramen, re-enters thru lesser sciatic foramen, supplies UG and anal triangles
Internal Pudenal a.
Supplies medial thigh w/blood
Obturator a.
Anastomosis between Inferior Epigastric artery and Obturator artery
Corona Mortis (Crown of Death)
In males, the Vaginal artery is called the ______
Inferior Vesical a.
During hysterectomy the ____ is tied off and cut, but the ____ can also be cut accidentally for serious problems.
Uterine a.
Ureter
Somatic innervation of the Pelvis/Perineum
Sacral Plexus
Sacral Plexus (L4-S4) nerves
L4-L5: LS trunk
S1
S2-S3
S2-S4: contributes to pudenal n.
L4-S3: form sciatic and gluteal nn.
Main autonomic plexus of pelvis
Inferior Hypogastric Plexus
Pelvic Sympathetic fibers coverge and terminate anterior to coccyx as _____
Ganglion Impar
Sacral splanchnic nn are ___ fibers off the ____
Sympathetic
Sympathetic chain
Pelvic Splanchnic nn are ____ fibers off the ____
Parasympathetic
S2-S4
The ____ nn. are easily injured during rectal surgery or radical hysterectomy. This results in impaired _____ or _____
Sacral/Pelvic Splanchnic
Bladder control
Sexual Function
T/F
Each abdominopelvic organ has its own lymphatic drainage
True
Lymphatic drainage moves _____ to _____ then ______
Superficial
Deep
Superiorly
Lymphatic drainage of R head/neck, R UL, R upper thorax
Right Lymphatic Duct
Lymphatic drainage of L head/neck, L UL, most of thorax, abdomen, Pelvis, LLs
Thoracic Duct
In the Superior Hypogastric Plexus, Sympathetics are _____ while Pelvic Parasympathetics are _____.
Descending
Ascending
