A manual of anatomy . -- Posterior surface Internal border A ntero-internal surface Coronoid fossa. Olecranon fossa Internal, Internal epicondyle epicondyle Groove forulnar nerve Pig 54.—The left humerus seen frombehind- iSobolta and McMurrich.). Externalepicondyle Capitulum Pig. 55.—The left humerus seen fromfront. (Sobotta atid McMurrich.) tion of the ventral surface presents a ridge that begins at the deltoidtubercle that forms two sloping surfaces from which the m. brachiahsanterior arises. The dorsal surface is divided into proximal and distal(greater) portions by the oblique groove for t
A manual of anatomy . -- Posterior surface Internal border A ntero-internal surface Coronoid fossa. Olecranon fossa Internal, Internal epicondyle epicondyle Groove forulnar nerve Pig 54.—The left humerus seen frombehind- iSobolta and McMurrich.). Externalepicondyle Capitulum Pig. 55.—The left humerus seen fromfront. (Sobotta atid McMurrich.) tion of the ventral surface presents a ridge that begins at the deltoidtubercle that forms two sloping surfaces from which the m. brachiahsanterior arises. The dorsal surface is divided into proximal and distal(greater) portions by the oblique groove for the radial nerve (sulcusnervus radialis). The nerve is accompanied by the profunda brachiiartery. Its course is downward and laterally. Upon the upper THE HUMERUS 79 part there is a ridge from which the lateral (small) head of the arises. Distal to the groove the surface is smooth, extensiveand gives origin to the medial head of the m. triceps. The medialmargin {margo medialis) is rounded and indistinct, proximally, whiledistally its prominent epicondylic ridgs ends at the medial about the middle of this margin is seen the insertion of the The lateral margin {margo lateralis) is moreprominent,
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthumananatomy, bookyea
