单词 | pro-osteon |
释义 | > as lemmaspro-osteon ΘΚΠ the world > animals > birds > bones > [noun] > sternum > part of keel1767 metosteon1868 pleurosteon1868 pro-osteon1868 manubrium1890 1868 W. K. Parker Monogr. Struct. & Devel. Shoulder-girdle & Sternum Vertebrata 144 In the genus Rhea..there is, on each side, an osseous centre in front of the first rib: it ossifies the costal process, and, projecting forwards as a wing in front of the sternal ribs, may be called the ‘pro-osteon’. 1896 A. Newton et al. Dict. Birds: Pt. IV 910 Thus in Rhea, Gallinæ, Turnix, Lestris and the Passeres, each anterior lateral process has its pro-osteon..,but in many other forms..these processes possess no special centre of ossification. < as lemmas |
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