单词 | ectochondral |
释义 | > as lemmasectochondral ectochondral adj. Brit. , U.S. , ΚΠ 1889 A. Macalister Text-bk. Human Anat. 38 The mesoblastic tissue..is replaced by bone in either of two ways, which are called respectively ectochondral and entochondral ossification. 1913 Cunningham's Text-bk. Anat. (ed. 4) 86 Cartilage bones are those which are preformed in cartilage, and include most of the bones of the skeleton. Their growth is often described as endochondral and ectochondral, the former term implying the deposition of membrane bone in the centre of the cartilage, while the latter signifies a deposit of membrane bone on the surface of the cartilage. < as lemmas |
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