音标:[plә'sentә] ;
n. 胎盘, 胎座
[化] 胎盘
n. that part of the ovary of a flowering plant where the ovules form
n. the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus
词型变化:名词复数形式 : placentas
词性分布:
名词100%

placenta的用法和样例:

例句

用作名词(n.)
  1. Earlier studies linked the placenta to the disease.早期的研究认为,该病与胎盘有关。
  2. Methamphetamine passes through the placenta and is secreted in the breast milk.甲基苯丙胺通过胎盘分泌在母乳中。
  3. Starch grains present in the embryo sac and placenta are utilized by the embryo.存在于胚囊和胎座中的淀粉粒为胚胎所利用。

词汇搭配

  • retained placenta胎盘滞留,胎衣滞留,...
  • membranous placenta膜状胎盘
  • discoid placenta盘状胎盘
  • discoidal placenta盘状胎盘
  • accessory placenta副胎盘,附胎盘...
  • marginal placenta有缘胎盘,边缘胎座...
  • axile placenta中轴胎座
  • adherent placenta粘连胎盘,胎盘粘连...
  • annular placenta环形胎盘
  • basal placenta基底胎座
  • deciduous placenta[医] 蜕膜胎盘...
  • zonular placenta环形胎盘,环状胎盘...
  • uterine placenta母体胎盘,子宫胎盘...
  • fetal placenta胎盘胎儿部,胎儿胎盘...
  • maternal placenta母体胎盘
  • diffuse placenta分散胎盘
  • placenta duplex双叶胎盘
  • allantoic placenta尿囊胎盘
  • cotyledonary placenta子叶状胚盘
  • duplex placenta两叶胎盘

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