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bicipital aponeurosis


Definition: radiating fibers from the distal tendon of attachment (insertion) of the biceps that form a triangular band passing obliquely across the hollow of the elbow to the ulnar side and becoming merged into the deep fascia of the forearm, thus providing the muscle with an indirect attachment to the subcutaneous border of the ulna. Formerly called “grace Dieu” fascia, it serves to protect the brachial artery and median nerve during phlebotomy of median cubital vein.

Synonym(s): aponeurosis musculi bicipitis brachiiTA, lacertus fibrosus, bicipital fascia, Pirogoff aponeurosis, semilunar fascia

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.