| 释义 |
‖ metosteon Ornith.|mɛˈtɒstɪɒn|
[mod.L., f. Gr. µετά behind + ὀστέον bone.]
The centre of ossification for the posterior lateral processes of the sternum, behind the pleurosteon. Hence meˈtosteal a., pertaining to the metosteon.
1868W. K. Parker Shoulder-Girdle Vetebr. 100 The bony patches..keep very clear of the metosteal ‘interclavicle’. Ibid. 144 Behind each ‘pleurosteon’ there is, in the Gallinaceæ, and a few other types, in the Crows, for instance, another bony centre, the ‘metosteon’. 1896Newton Dict. Birds iv. 910. |