请输入您要查询的英文单词:

 

单词 protoblast
释义

> as lemmas

protoblast
protoblast n.
Brit. /ˈprəʊtə(ʊ)blast/
,
U.S. /ˈproʊdəˌblæst/
Biology (a) a primitive or undifferentiated cell; spec. a blastomere (obsolete); (b) a cell without a cell wall; cf. protoplast n.1 2 (rare).
ΚΠ
1879 Lancet 22 Mar. 414/1 More recently Schüppel maintained that they [sc. giant-cells] arose in the blood-vessels from protoblasts.
1894 E. B. Wilson in Biol. Lect. 1893 (Marine Biol. Lab., Wood's Hole, Mass.) 10 The architecture of the embryo is fully outlined in the arrangement of the parent blastomeres, or protoblasts.
1937 Amer. Jrnl. Bot. 24 279/2 A..discoloration of the walls is usual in wound tissues and may be due to absorption of tannins, phlobaphenes, or other decomposition products of the protoblasts.
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:2024/11/10 19:18:52