请输入您要查询的英文单词:

 

单词 prototheca
释义

> as lemmas

prototheca
prototheca n.
Brit. /ˌprəʊtəˈθiːkə/
,
U.S. /ˌproʊdəˈθikə/
Zoology (in a stony coral) a cup-shaped basal skeletal plate which is formed at the start of the development of the colony.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Anthozoa Actinozoa > order Zoantharia > suborder Madreporaria > member of > cup-shaped part of colony
prototheca1904
1904 H. M. Bernard in Ann. & Mag. Nat. Hist. 13 4 The parent colony of a calicle rises out of a basal cup—the Prototheca... The term ‘prototheca’ was suggested to me in conversation by my friend Prof. Jeffrey Bell.
1935 W. H. Twenhofel & R. R. Shrock Invertebr. Paleontol. iv. 78 The embryonic skeleton of a typical coelenterate has the shape and appearance of a little, hollow, conical cup and is known as the prototheca.
1992 Paleobiology 18 477/2 The initial stage of postlarval development of..archaeocyathans consists of a tiny, aporous, cup-shaped prototheca.
extracted from proto-comb. form
<
as lemmas
随便看

 

英语词典包含1132095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:2024/12/24 21:14:25