请输入您要查询的英文单词:

 

单词 placenta
释义

placenta

From Longman Dictionary of Contemporary EnglishRelated topics: Humanplacentapla‧cen‧ta /pləˈsentə/ noun [countable]  HBHan organ that forms inside a woman’s uterus to feed an unborn babyplacental adjective [only before noun] placental bloodExamples from the CorpusplacentaThe latter looks like a placenta and has the same consistency, too.The birth is recorded in an odd shot of the nurse gleefully holding aloft the bloody placenta.If there's any chance it is placenta praevia, it could detach and cause a haemorrhage.It causes many complications, including small placenta size, stillbirth and low birthweight.After the second month of pregnancy, estriol levels steadily increase as the placenta takes over estrogen production. 344.Second, the story is a reminder that caffeine, like alcohol, freely crosses the placenta.In the case of estriol, the placenta utilizes a dehydroepiandrosterone precursor made in the adrenal glands of the fetus.These chemicals were getting through the placenta and reaching foetuses in the womb and the eggs of birds and fish.Origin placenta (1600-1700) Latin flat cake, from Greek, from plax flat surface
随便看

 

英语词典包含170365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:2024/12/22 10:20:24