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IMS I Anatomy Lab - Pelvis Lab 7b

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Study the osteology of the pelvis (see Lab 7A). Osteology is critical for keeping oriented in the 3D complexity of the pelvic region. Dissect out and identify the branches of the internal iliac artery (remove veins for a clearer view). Dissect out and identify the muscles of the pelvic diaphragm and the piriformis muscle. Dissect out and identify branches of the ventral rami of spinal nerves L4-S3 in the pelvis. NOTE: In female cadavers we want to keep the broad ligament intact on one side, so keep the peritoneum on one side. ACTION: On one side of the pelvis, use forceps to bluntly dissect and peel the peritoneum and extraperitoneal fat covering the iliac vessels and the pelvic nerves. Remove branches of the internal iliac vv. to more clearly demonstrate the arterial distribution. Identify the following: Common iliac a. — divides into two divisions at the level of the sacroiliac joint: Internal iliac a. — anterior and posterior divisions that supply the pelvis and perineum External i

IMS I Anatomy Lab - Pelvis Lab 7b Search this site Embedded Files Skip to main content Skip to navigation Pelvis Lab 7B Lab 7B: Pelvic vasculature, pelvic diaphragm, and pelvic nerves Lab Overview Study the osteology of the pelvis (see Lab 7A). Osteology is critical for keeping oriented in the 3D complexity of the pelvic region. Dissect out and identify the branches of the internal iliac artery (remove veins for a clearer view). Dissect out and identify the muscles of the pelvic diaphragm and the piriformis muscle. Dissect out and identify branches of the ventral rami of spinal nerves L4-S3 in

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