Shared Flashcard Set

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Pelvis and Perineum
gar
20
Medical
Graduate
10/17/2011

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Cards

Term
what divides the major (false) pelvis from the minor (true) pelvis?
Definition
pelvic brim aka pelvic inlet
Term
in a person standing upright, what bony landmark of the pelvis lies in the same vertical plane as the anterior superior iliac spine?
Definition
pubic tubercle
Term
separates the greater and lesser sciatic foramen?
Definition
sacrospinous ligament
Term
what other ligament helps to form the greater and lesser sciatic forament, in addiction to the sacrospinous ligament?
Definition
sacrotuberous ligament
Term
structures that travel throught the lesser sciatic foramen?
Definition
-obturator internus
-pudendal nerve
-internal pudendal artery (OPI)
Term
exits through the obturator canal?
Definition
obturator nerve
Term
innervates the levator ani muscle?
Definition
ventral rami of S2, S3
-perineal branches of the pudendal nerve
Term
thorough which foramen must the obturator internus muscle pass through to reach its attachment? what is its site of attachment?
Definition
-lesser sciatic foramen
-greater trochanter of the femur
Term
through which foramen must the piriformis muscle pass to reach its attachment? what is the site of its attachment?
Definition
-greater sciatic foramen
-greater trochanter of the femur (PG)
Term
lowest point of the abdominopelvic cavity in a woman standing upright?
Definition
rectouterine pouch of Douglas
Term
attaches the ovaries to the broad ligament
-attaches the Fallopian tubes to broad ligament
Definition
-mesovarium
-mesosalpinx
Term
collection of tissue, ligament and vessels at the base of the uterus that may be damaghed following injury or chilbirth that causes a prolapse of the uterus?
Definition
cardinal ligament (transverse cervical)
Term
what innnervates
-external genitalia
-clitoris
-uterus
-overies
Definition
-pudendal nerve
-parasympathetics
-hypogastric plexus
-ovarian plexus
Term
structure that is commonly injured in the surgical removal of the ovaries or uterus?
Definition
ureter
Term
draw the vasculature of the internal iliac artery
Definition
DO IT!
Term
which nerve roots give rise to the sacral plexus?
Definition
L4-L5, and S1-S4
Term
3 major nerves does the sacral plexus give rise to?
Definition
-sciatic
-pudendal
Term
important actions by the ps nerves?
Definition
erection, urination, defecation
Term
hemorroids
Definition
enlarged veins in the wall of the anus caused by increased blood pressure in the rectal veins
Term
events that cause increased blood pressure in the rectal veins?
Definition
-pregnancy and cirrhosis of the liver
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