英语词汇“placentation”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

placentation

释义

placentation|plæsənˈteɪʃən|
[a. F. placentation, f. placenta: see -ation.]
1. Zool. The formation and disposition of the placenta in the uterus.
1871Trans. R. Soc. Edin. XXVI. 486 Of the mammals, the placentation of which most commonly comes under observation, the sow and the mare also offer well-known examples of the diffused form of placenta.1880Huxley in Times 25 Dec. 4/1 The non-prehensile pes would separate it from the former, and the placentation from the latter group.1971J. Z. Young Introd. Study Man xxx. 423 The sexual cycle and placentation of lemurs are interestingly different from those of other primates.
2. Bot. The disposition or arrangement of the placenta or placentas in the ovary.
1760J. Lee Introd. Bot. iii. xi. (1765) 197 By Placentation is meant the Disposition of the Cotyledons at the Time when the Seed is beginning to grow.1848Lindley Introd. Bot. (ed. 4) I. 389 The placentation of Water-lilies..Broom⁓rapes..and Butomads, is equally at variance with the central theory.1872Darwin Orig. Spec. (ed. 6) I. vii. 174 Instances of both marginal and free central placentation.

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：

“placentation”的英英意思

“饱和磁记录”英文翻译

“饱和磁通”英文翻译

“placentary”的英英意思

“placental”的英英意思

“饱和磁化强度”英文翻译

友情链接