The third head of coracobrachialis is called as
Correct Answer: Struther ligament
Description: Morphological impoance of coracobrachialis - It represents the medial compament of the arm which is so well developed in the thigh. In some animals, the muscle is tricipital muscle. In man, the upper two heads have fused, but the musculocutaneous nerve passes between the remnants of these two heads. The third and lowest head of the muscle has disappeared in man. Occasional persistence of the lower head is associated with the presence of the so called 'ligament of Struthers' which is a fibrous band extending from the trochlear spine to the medial epicondyle of the humerus. The third head of the coracobrachialis is inseed into this ligament. B D Chaurasia's Human Anatomy , seventh edition volume 1 , pg. no., 91.
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