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单词 procoracoid
释义

> as lemmas

procoracoid
procoracoid adj. and n.
Brit. /prə(ʊ)ˈkɒrəkɔɪd/
,
/prə(ʊ)ˈkɔːrəkɔɪd/
,
U.S. /proʊˈkɔrəˌkɔɪd/
Zoology (a) adj. (in amphibians, reptiles, and birds) relating to or designating a bone or cartilage of the pectoral girdle connecting the scapula with the sternum, adjacent to the interclavicle; (b) n. the procoracoid bone or cartilage.The procoracoid is sometimes called the coracoid, but it is not homologous with the coracoid of mammals.
ΚΠ
1868 Proc. Acad. Nat. Sci. Philadelphia 253 The Raniformia present..a pair of parallel or over-lapping curved cartilages, connecting the..procoracoid and coracoid bones, which subsequently unite.
1870 Trans. Amer. Philos. Soc. 14 27 Testudinata... Dorsal vertebræ without mobility: no clavicle, a procoracoid continuous with scapula.
1974 D. Webster & M. Webster Compar. Vertebr. Morphol. v. 99 The pectoral girdle is firmly articulated with the bird's very large sternum by way of the endochondral procoracoid.
1988 Paleobiology 14 177/1 In many frogs a procoracoid cartilage is juxtaposed between the lateral aspect of the clavicle and the medial border of the scapula.
extracted from pro-prefix2
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as lemmas
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