单词 | lophosteon |
释义 | > as lemmaslophosteon lophosteon n. Brit. /lə(ʊ)ˈfɒstɪən/ , U.S. /ləˈfɑstiən/ [Greek ὀστέον bone] the median bone, including the keel, of the sternum of a carinate bird.Π 1884 E. Coues Key to N. Amer. Birds (ed. 2) 143 The median ossification, which includes the keel, is the lophosteon. < as lemmas |
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