ANAT 1625 Final Exam Study Guide

ANAT 1625 Final Exam Study Guide - Visceral Gross Final...

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Visceral Gross Final Exam Review From the mouth of Dr. Cane concerning the exam: 50 questions/Not Cumulative Final only covers chapter 3 in COA (about 90 pages) Anything to do with the perineum ~ he is only concerned about landmarks and the boundaries. SKIP OVER ANYTHING TO DO WITH THE PERINEAL POUCHES!! From here these are the notes that I took from Dr. Cane on the last day of class… stuff we already know from lab plus the extra stuff that he decided to ramble about!! Remember right before we handed in our take home that he went on for two hours about osteology. . Yeah those are not in here!! J Always double check with COA!! During the final class Dr. Cane had to correct himself a few times on the names of the structures so don’t just rely solely on these notes!! Read the book too!! Example: medial and median folds were a nightmare during that class! I. Pelvic Diaphragm : consists of the coccygeus and levator ani muscles . Separates the pelvic cavity from the perineum within the lesser pelvis. J has the appearance of a “hammock” A. Coccygeus muscle: arise from the lateral aspects of the inferior sacrum and coccyx. Fleshy fibers underlie the deep surface of the sacrospinous ligament. B. Levator ani muscle : larger and more important part of the pelvic floor. J anteriorly attached to: pubic bones J posterior attached to: ischial spines J also attached to the thickening in the obturator fascia 1.) Levator Ani consists of three parts: a. Puborectalis : medial part, b/t posterior aspects of the right and left pubic bodies binding the urogenital hiatus. J Major role in maintaining fecal continence b. Pubococcygeus : intermediate part, b/t posterior aspect of the body of the pubis and anterior tendinous arch
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~lateral fibers attach to coccyx ~medial fibers join up with contra lateral muscle to form the ANOCOCCYGEAL BODY à ligament b/t anus and the coccyx c. Iliococcygeus: posterolateral part of levator ani ~Arises b/t posterior tendinous arch and ischial spine J often poorly developed (aponeurotic) II. Pelvic Arteries (Table 3.5 in COA p. 384-385) ~ Four main arteries enter the lesser pelvis of the male J internal iliac arteries (paired) J median sacral artery (unpaired/single) J superior rectal artery (unpaired/single) ~ Six main arteries enter the lesser pelvis of the female J internal iliac arteries (paired) J ovarian arteries (paired) J median sacral artery (unpaired/single) J superior rectal artery (unpaired/single) III. Internal Iliac Artery : begins as common iliac artery before it bifurcates b/t L5 and S1 vertebrae into internal and external iliac artery. J External Iliac becomes femoral after inguinal canal. J Internal Iliac Artery divides into Anterior and Posterior Divisions A.) ANTERIOR DIVISION : is mostly visceral supplying the bladder, rectum and reproductive organs. 1.
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ANAT 1625 Final Exam Study Guide - Visceral Gross Final...

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