请输入您要查询的英文单词:

 

单词 coleorhiza
释义

coleorhiza

/ˌkɒlɪə(ʊ)ˈrʌɪzə /
noun (plural coleorhizae /ˌkɒlɪə(ʊ)ˈrʌɪziː/) Botany
A sheath protecting the root of a germinating grass or cereal grain.Indeed, at the end of stage II, scutellum, coleoptile, coleorhiza, primary root primordium, and leaf primordia have already been reported to be present....
  • Seminal roots do not form a coleorhiza since the scutellar node tissue is already differentiated when seminal roots emerge and can easily be penetrated.
  • Longitudinal sections of the embryonic root showed that the structures that protect the rootlet, i.e. the root-cap and coleorhiza, were strongly labelled.

Origin

Mid 19th century: from koleos 'sheath' + rhiza 'root'.

随便看

 

英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/3/22 12:36:05