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