placentation

基本解释

• [解、动]胎盘形成

同根派生

• placentation相关词

英汉例句

• Ovary usually 3-loculed and placentation axile.
  子房通常的3室和中轴胎座。
• Ovary 3-loculed, placentation axile; anther short; labellum free from filament.
  子房3室，中轴胎座；花药短；唇瓣离生的花丝。(11
• Simple ovary,the placentation is brink.The ovules are campylotropous.The ovule is bitegmic and crassinucellate.
  矮沙冬青子房单心皮1室,边缘胎座,弯生胚珠,胚珠具双珠被、厚珠心。
• The carpel closed toward and connected with the ovary central column to form axile placentation since mid October.
  十月中旬起心皮向内合生并与中轴连合形成中轴胎座。
• The ovary was trilocular with axile placentation and the ovule was anatropous, biteguminous and crassinucellate.
  子房3室，中轴胎座。胚珠倒生，双珠被，厚珠心型。

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词组短语

短语

• basal placentation [植]基底胎座式;基生胎座;[植]基生胎座式
• placentation bleeding 胎盘形成期出血;翻译
• marginal placentation 边缘胎座;[植]边缘胎座式
• axile placentation [植]中轴胎座式;中轴胎座
• parietal placentation [植]侧膜胎座式;侧膜胎座

• placentation更多词组

英英字典

柯林斯英英字典

• the way in which ovules are attached in the ovary

• placentation剑桥字典
• placentation柯林斯字典

专业释义

医药科学

• 胎盘形成；胎盘结构
• 胎盘形成

农业科学

• 胎盘

  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.
  在牦牛胎盘发生过程中，子宫内膜上皮细胞的凋亡率有增高趋势，到妊娠的34天达峰值，为30.63％。 随后缓慢下降。

  生物学

• 胎座式
• 胎盘形成
• 胎盘形成;胎座式