单词 | pectoral arch |
释义 | > as lemmaspectoral arch pectoral arch n. Anatomy and Zoology = pectoral girdle n. ΚΠ 1841 Philos. Trans. (Royal Soc.) 131 137 Pectoral arch.—Several bones, evidently referable to a complicated sternal apparatus, approximating to that of the Lizard family. 1871 T. H. Huxley Man. Anat. Vertebrated Animals 256 [In Crocodilia] the pectoral arch has no clavicle, and the coracoid has no distinct epicoracoidal element. 1947 Amer. Midland Naturalist 38 734 Suprascapula is the name given to designate that formation of calcified cartilage which constitutes the most dorsal element of the pectoral arch. < as lemmas |
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