Re: Pelvic Cavity

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: nicolai did an awesome job. i'm making a few small additions. : : 1. Define the peritoneum in the pelvic cavity - male and female. : - peritoneum of pelvis = continuous with the peritoneum of the abdomen at the pelvic inlet : - anteriorly the pelvic peritoneum gives rise to the meian and medial umbilical folds : - posteriorly the pelvic peritoneum covers the anterior & posterior surface of the upper 1/3 of the rectum, the anterior surface of the middle 1/3 of the rectum. the lower 1/3 of rectum is not covered by anything : - most inferior boundary in male: rectovesical pouch, female: rectouterine pouch (douglas) : : 11. What is the Cardinal ligament? : - fibromuscular condensations of pelvic fascia from the cervix & vagina to the pelvic walls : - extend latterally below the base of the broad ligament : - contains uterine a&v : : 13. Discuss the structure of the uterus. : - between bladder & rectum : - consists of body, cervix : - cervix joins vagina inferiorly : - rounded superior fundus : - implantation of blastocyst happens here : : 21. Discuss the origin of the deep circumflex iliac artery the inferior epigastric artery, and the cremaster artery. : - ext. iliac. a. -> deep circumflex iliac a. : -> inferior epigastric -> cremasteric : : 22. What is the middle sacral artery? : - aka median sacral : - rises from the back of the aorta : - sort of runs parallel to but does not anastomose with lateral sacral artery : : 23. Define the branches constituting the posterior division of the internal iliac artery. : 1) iliolumbar -> iliac branch + lumbar branch : 2) lateral sacral a. : 3) terminates into superior gluteal artery, running between the lumbosacral nerve and S1, goes into the greater sciatic forament and comes up in the gluteal region superior to the piriformis muscle : : 24. Define the branches constituting the anterior division of the internal iliac artery. : 1) umbilical artery -> becomes the remnant of the umbilicar artery aka the medial umbilical ligament imbedded within the medial umbilical fold : 1-1) umbilical artery gives rise to the superior vesical artery which may give rise to the artery to the ductus deferans : 2) obturator artery : 3) middle rectal artery : 4) inferior vesicle artery : 5) internal pudendal artery : 6) terminates into inferior gluteal artery, running usually between S2, S3, going through the greater sciatic foramen into the gluteal region, runs inferior to the piriformis muscle : : 25. Where does the uterine artery arise? : - anterior division of the internal iliac artery : : 26. Where does the vaginal artery arise? : - from the uterine artery

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