OPPONENS POLLICIS
\ˈɒpə͡ʊnənz pˈɒlɪsˌɪs], \ˈɒpəʊnənz pˈɒlɪsˌɪs], \ˈɒ_p_əʊ_n_ə_n_z p_ˈɒ_l_ɪ_s_ˌɪ_s]\
Definitions of OPPONENS POLLICIS
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A small, flat, triangular muscle, situate in the substance of the thenar eminence. It is attached, on the one hand, to the anterior annular ligament of the carpus and to the trapezium; and on the other, to the whole of the outer margin of the first metacarpal bone. This muscle impresses on the first bone of the metacarpus a movement of rotation, which opposes the thumb to the other fingers.
By Robley Dunglison
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See Opponens minimi digiti
By Willam Alexander Newman Dorland
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