英语词汇“ootid”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

ootid

释义

ootid Biol.|ˈəʊətɪd|
[f. oo- after spermatid.]
A haploid cell formed by the division of a secondary oocyte; by some writers restricted to the ovum, as contrasted with the polar body.
1908F. R. Lillie Devel. of Chick 14 The mature ovum (oötid) and the polar bodies are the precise equivalent of the four spermatids, but..only the ovum on the female side is functional.1927W. Shumway Vert. Embryol. ii. 34 In this way four (or three, if the smaller secondary oöcyte fails to divide) oötids are produced, of which the single large cell is the ovum, while the smaller ones are known as polocytes.1946B. M. Patten Human Embryol. ii. 31 The secondary oöcyte.. divides again, and in this division..the bulk of the cytoplasm goes to one of the two resulting oötids, which is then commonly called the ‘matured ovum’.1964N. S. Cohn Elem. Cytol. ii. xiii. 206 The secondary oöcyte undergoes a second meiotic division, producing one large cell, the oötid, and a small second polar body.Ibid., The oötid..matures into the egg or ovum.1972Nature 28 Jan. 213 It must be recalled that the sea urchin egg is an ootid whose maturation divisions..have been completed.

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。

相关内容11：

“ootid”的英英意思

“dental hygienist”的意思

“dental”的意思

“间歇性血管硬化性肠痉挛痛”英文翻译

“ootype”的英英意思

“间歇性精神病”英文翻译

友情链接