Atlas of Human Anatomy in Cross Section: Section 4. Upper Limb
Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Jean J. Jew, M.D., and Paul
C. Reimann, B.S.
Peer Review Status: Externally Peer Reviewed
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Upper Left Quadrant |
Lower Left Quadrant |
Lower Right Quadrant |
Upper Right Quadrant |
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1. Tendon m. palmaris longus |
7. Tendon m. extensor carpi radiolus longus |
14. Radial nerve, deep br. |
20. Basilic v. |
This section is similar to the preceding one. Brachioradialis (3) is becoming thinner and more anteriorly placed. Between brachioradialis (3) and extensor carpi radialis longus (7) (now seen as a tendon) and brevis (8) is the radial artery (4). It lies opposite the cephalic vein (5) at this level.
The median nerve (2) lies between flexor digitorum superficialis (2 5) and flexor pollicis longus (6).
Flexor carpi ulnaris (22) forms the cover for the ulnar artery (24) and the ulnar nerve (23).
The radial nerve lies in the space between the superficial and deep layers of the radiodorsal (extensor) muscle grouping.
The composition of the deep and superficial muscle layers is discussed with the preceding section.
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