英语词汇“pronephron”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

pronephron

释义

pronephron, -nephros Zool.|prəʊˈnɛfrɒn, -ˈnɛfrɒs|
[mod.L., f. Gr. πρό, pro-² + νεϕρός kidney.]
The anterior division of the primitive kidney or segmental organ in the embryos of lower vertebrates. Hence proˈnephric a., of or pertaining to the pronephron; also proneˈphridian a.
1877E. R. Lankester in Q. Jrnl. Microsc. Sc. XVII. 429 The pronephron (Kopfnieren) aborts, the pronephric duct becomes the oviduct; it is frequently called Müller's duct.1881Balfour Compar. Embryol. II. ii. xxiii. 601 That this body is..related functionally to the pronephros appears to be indicated..(3) by its enclosure together with the pronephridian stoma in a special compartment of the body cavity.1887Amer. Naturalist XXI. 588 Van Wijhe's view..that the primitive Craniota had no pronephric duct, the pronephros opening outwards by a pore from the gland.

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