Term
what passes through the levator ani? function of levator ani? what innervates it? |
|
Definition
anus, urethra, and vagina (F) supports pelvic viscera and assists in voluntary control of urination and fetal continence. resists intra-abdominal pressure. innervated by ventral rami of S3,4,5 |
|
|
Term
what can loss of pelvic diaphragm support for the bladder (vs. rectum) cause? |
|
Definition
bladder - cystocele --> incontinence rectum - rectocele --> defecatory dysfunction |
|
|
Term
what passes through the lesser sciatic foramen? |
|
Definition
pudendal nerve, internal pudendal vessels, obturator internus (inserts on posterior side of femur) |
|
|
Term
what is the fasica thickening of the obturator internus? |
|
Definition
arcus tendineus, attachment site for pelvic floor muscles |
|
|
Term
what passes through the obturator canal? |
|
Definition
obturator nerve and vessels |
|
|
Term
what passes beneath the inguinal ligament? |
|
Definition
lateral - femoral nerve, iliopsoas muscle, lateral femoral cutaneous nerve medial - femoral artery and vein |
|
|
Term
what does the lumbosacral plexus generally innervate? |
|
Definition
pelvic and lower limb muscles and associated skin and perineum |
|
|
Term
what are the branches off of the anterior division of the internal iliac artery? |
|
Definition
inferior gluteal, internal pudendal, obturator artery (muscles of medial thigh), umbilical artery, uterine and vaginal arteries, middle rectal |
|
|