epipterygoidn.

/ɛpɪpˈtɛrɪɡɔɪd/

Etymology: epi- prefix 1.

Anatomy.

A slender vertical bone which is situated above the pterygoid in the skull of certain living reptiles and of primitive tetrapods. Also attributive or as adj.

ΚΠ

1897 T. J. Parker & W. A. Haswell Text-bk. Zool. II. 297 Extending nearly vertically downwards from the prootic to the pterygoid is a slender rod of bone, the epipterygoid.

1912 J. S. Kingsley Compar. Anat. Vertebr. 82 An ‘ascending process’ which reaches the upper margin of the trabecula, and which, in many reptiles, often ossifies as the epipterygoid bone.

1956 A. S. Romer Osteol. Reptiles iii. 64 The epipterygoid extends as a rodlike structure toward the skull roof.

This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018).

单词	epipterygoid
释义	epipterygoidn. /ɛpɪpˈtɛrɪɡɔɪd/ Etymology: epi- prefix 1. Anatomy. A slender vertical bone which is situated above the pterygoid in the skull of certain living reptiles and of primitive tetrapods. Also attributive or as adj. ΚΠ 1897 T. J. Parker & W. A. Haswell Text-bk. Zool. II. 297 Extending nearly vertically downwards from the prootic to the pterygoid is a slender rod of bone, the epipterygoid. 1912 J. S. Kingsley Compar. Anat. Vertebr. 82 An ‘ascending process’ which reaches the upper margin of the trabecula, and which, in many reptiles, often ossifies as the epipterygoid bone. 1956 A. S. Romer Osteol. Reptiles iii. 64 The epipterygoid extends as a rodlike structure toward the skull roof. This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018). < n.1897
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