Anatomy & Physiology: The Unity of Form and Function, 7th Edition

Published by McGraw-Hill Education
ISBN 10: 0073403717
ISBN 13: 978-0-07340-371-7

Chapter 20 - Section 20.7 - Study Guide - Assess Your Learning Outcomes - Page 799: 18

Answer

The common iliac artery is a major branch of the abdominal aorta and divides into two main branches, the internal iliac artery and the external iliac artery. 1. **External Iliac Artery:** This branch continues downward and becomes the femoral artery as it enters the thigh. The femoral artery supplies blood to the lower extremities. 2. **Internal Iliac Artery:** This branch enters the pelvic region and divides into various branches, which include both posterior and anterior trunks. These trunks further supply blood to different structures within the pelvis. - **Posterior Trunk of the Internal Iliac Artery:** This trunk gives rise to branches that supply blood to the muscles and structures of the gluteal region, pelvic wall, and perineum. - **Anterior Trunk of the Internal Iliac Artery:** This trunk gives rise to branches that supply blood to various pelvic organs, including the urinary bladder, rectum, and reproductive organs. It also provides blood to the pelvic viscera and pelvic walls. The exact details of the specific branches and the organs they supply can vary. For accurate and detailed information, especially regarding a specific table you mentioned, I recommend referring to an anatomy textbook or medical resource.

Work Step by Step

The common iliac artery is a major branch of the abdominal aorta and divides into two main branches, the internal iliac artery and the external iliac artery. 1. **External Iliac Artery:** This branch continues downward and becomes the femoral artery as it enters the thigh. The femoral artery supplies blood to the lower extremities. 2. **Internal Iliac Artery:** This branch enters the pelvic region and divides into various branches, which include both posterior and anterior trunks. These trunks further supply blood to different structures within the pelvis. - **Posterior Trunk of the Internal Iliac Artery:** This trunk gives rise to branches that supply blood to the muscles and structures of the gluteal region, pelvic wall, and perineum. - **Anterior Trunk of the Internal Iliac Artery:** This trunk gives rise to branches that supply blood to various pelvic organs, including the urinary bladder, rectum, and reproductive organs. It also provides blood to the pelvic viscera and pelvic walls. The exact details of the specific branches and the organs they supply can vary. For accurate and detailed information, especially regarding a specific table you mentioned, I recommend referring to an anatomy textbook or medical resource.
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