请输入您要查询的英文单词：

　

单词 mastoid bone
释义

Definition of mastoid bone in English:

mastoid bone

noun

  • The posterior portion of the temporal bone in humans and other mammals, which includes the mastoid process. Formerly also: †designating any of several bones of the skull in other vertebrates, regarded as homologous with this part of the temporal bone (obsolete). Also (chiefly in Medicine): = "mastoid process".

Origin

Mid 19th century; earliest use found in Robert Edmond Grant (1793–1874), comparative anatomist and transmutationist.

Definition of mastoid bone in US English:

mastoid bone

noun

  • The posterior portion of the temporal bone in humans and other mammals, which includes the mastoid process. Formerly also: †designating any of several bones of the skull in other vertebrates, regarded as homologous with this part of the temporal bone (obsolete). Also (chiefly in Medicine): = "mastoid process".

Origin

Mid 19th century; earliest use found in Robert Edmond Grant (1793–1874), comparative anatomist and transmutationist.
随便看

　

英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

　

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间：2024/10/19 10:19:59