请输入您要查询的英文单词:

 

单词 epithecium
释义 epithecium Bot.|ɛpɪˈθiːʃɪəm|
[mod.L., f. epi- 1 + thecium.]
The surface layer of the fruiting body in certain lichens and fungi. So epiˈthecial a.
1879W. A. Leighton Lichen-flora Gt. Brit. (ed. 3) p. ix, The paraphyses are slender filaments..which, by their close proximity, constitute the disk or epithecium.1921A. L. Smith Lichens iv. 158 In some genera [of lichens] there is a profuse branching of the paraphyses to form a dense protective epithecium.1952C. J. Alexopoulos Introd. Mycology xii. 290 In some apothecia, the paraphyses..have their tips united above the asci, forming a layer we call the epithecium.1967V. Ahmadjian Lichen Symbiosis ii. 17 Some lichens have algal cells within their fruiting tissues..either hymenial or epithecial algae, depending on their location within the fruiting body.
随便看

 

英语词典包含277258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:2024/12/22 15:32:36