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单词 prepyramid
释义

prepyramidn.

Origin: Formed within English, by derivation. Etymons: pre- prefix, pyramid n.
Etymology: < pre- prefix + pyramid n.
Anatomy. Obsolete.
The pyramid of the medulla oblongata.
ΚΠ
1846 R. Owen Lect. Compar. Anat. Vertebr. Animals viii. 176 The ‘commissura ansulata’, which crosses the pre-pyramids just behind the ‘hypoaria’.
1881 B. G. Wilder Partial Revision Anat. Lit. in Science 26 Mar. 137/1 Ventripyramis, the anterior pyramid. The ‘prepyramid’. Owen.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online June 2018).
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n.1846
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