tuberosity of metacarpal V (Insertion of the Abductor digiti V),.sesamoid bone of the metacarpo-phalangeal joint of digit III (this sesamoid bone is inconstant, compare Fig.sesamoid bone of the metacarpo-phalangeal joint of thumb,.sesamoid bone of the interphalangeal joint of the thumb,.proximal interphalangeal joint of index,.The outlines of the soft parts are distinct and there are even indications of some of the skin folds. In correspondence with the concave form of the palm the bones of the thumb are seen almost in profile, those of other fingers from the surface. While the bones of the carpus are somewhat confused on account of some overlapping, the metacarpals and phalanges are so clear that the spongiosa of the articular ends and the compacta of the shaft, together with the marrow cavity it encloses, may be made out the sesamoid bones are also distinct.
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