placentation

基本解釋

• [解、動]胎盤形成

同根派生

• placentation相關詞

英漢例句

• Ovary usually 3-loculed and placentation axile.
  子房通常的3室和中軸胎座。
• Ovary 3-loculed, placentation axile; anther short; labellum free from filament.
  子房3室，中軸胎座；花藥短；唇瓣離生的花絲。(11
• Simple ovary,the placentation is brink.The ovules are campylotropous.The ovule is bitegmic and crassinucellate.
  矮沙冬青子房單心皮1室,邊緣胎座,彎生胚珠,胚珠具雙珠被、厚珠心。
• The carpel closed toward and connected with the ovary central column to form axile placentation since mid October.
  十月中旬起心皮向內(nèi)合生并與中軸連合形成中軸胎座。
• The ovary was trilocular with axile placentation and the ovule was anatropous, biteguminous and crassinucellate.
  子房3室，中軸胎座。胚珠倒生，雙珠被，厚珠心型。

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詞組短語

短語

• basal placentation [植]基底胎座式;基生胎座;[植]基生胎座式
• placentation bleeding 胎盤形成期出血;翻譯
• marginal placentation 邊緣胎座;[植]邊緣胎座式
• axile placentation [植]中軸胎座式;中軸胎座
• parietal placentation [植]側(cè)膜胎座式;側(cè)膜胎座

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英英字典

柯林斯英英字典

• the way in which ovules are attached in the ovary

• placentation劍橋字典
• placentation柯林斯字典

專業(yè)釋義

醫(yī)藥科學

• 胎盤形成；胎盤結(jié)構
• 胎盤形成

農(nóng)業(yè)科學

• 胎盤

  During the placentation, the apoptotic rate of endometrium epithelium rised from 26th and achieved peak on 34th of pregnancy, then decreased in the following days slowly.
  在牦牛胎盤發(fā)生過程中，子宮內(nèi)膜上皮細胞的凋亡率有增高趨勢，到妊娠的34天達峰值，為30.63％。 隨后緩慢下降。

  生物學

• 胎座式
• 胎盤形成
• 胎盤形成;胎座式