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单词 opponens digiti minimi
释义

opponens digiti minimin.

Brit. /əˌpəʊnənz ˌdɪdʒᵻtɪ ˈmɪnᵻmi/, /əˌpəʊnənz ˌdɪdʒᵻtʌɪ ˈmɪnᵻmʌɪ/, U.S. /əˈpoʊnənz ˈdɪdʒᵻdi ˈmɪnᵻmi/, /əˈpoʊnənz ˈdɪdʒᵻdaɪ ˈmɪnᵻmaɪ/
Forms: 1800s– opponens digiti minimi, 1800s– opponens minimi digiti.
Origin: A borrowing from Latin. Etymon: Latin opponens digiti minimi.
Etymology: < scientific Latin opponens digiti minimi (see quot. 1838) < classical Latin oppōnēns (see opponens n.) + digitī , genitive singular of digitus finger (see digit n. and adj.) + minimī , masculine genitive singular of minimus smallest (see minimum n. and adj.). Compare earlier opponens pollicis n.
Anatomy and Zoology.
A muscle of the hand, originating from the hamate bone and flexor retinaculum and inserting into the fifth metacarpal bone, which draws forward and rotates the fifth metacarpal, cupping the palm and assisting in the opposing of the thumb and other fingers. Also: the analogous muscle of the foot.
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the world > life > the body > structural parts > muscle > muscles of specific parts > [noun] > muscles of hands or feet
thenara1682
opponent1749
tibialis anterior (formerly anticus)1749
tibialis posterior (formerly posticus)1749
opponens1754
opponens pollicis1755
opponens digiti minimi1838
thenar muscles1842
opponens hallucis1880
1838 F. T. McDougall in Todd's Cycl. Anat. & Physiol. II. 521/1 Adductor ossis metacarpi or opponens minimi digiti.
1864 Proc. Royal Soc. 1863–4 13 303 Opponens minimi digiti.—Very commonly found, though not described in anatomical text-books... Found well developed in all the Apes.
1902 D. J. Cunningham Text-bk. Anat. 329 The opponens minimi digiti..arises from the anterior annular ligament and the hook of the unciform bone.
1980 Gray's Anat. (ed. 36) v. 589/1 The opponens digiti minimi draws the fifth metacarpal bone forwards.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online June 2022).
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n.1838
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