DICT.TW Dictionary Taiwan

 pla·cen·ta /pləˈsɛntə/
 胎盤,胎座

 pla·cen·ta /pləˈsɛntə/ 名詞
 胎盤

 Pla·cen·ta n.; pl. L. Placentæ E. Placentas
 1. Anat. The vascular appendage which connects the fetus with the parent, and is cast off in parturition with the afterbirth.
 Note: ☞ In most mammals the placenta is principally developed from the allantois and chorion, and tufts of vascular villi on its surface penetrate the blood vessels of the parental uterus, and thus establish a nutritive and excretory connection between the blood of the fetus and that of the parent, though the blood itself does not flow from one to the other.
 2. Bot. The part of a pistil or fruit to which the ovules or seeds are attached.
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 placenta
      n 1: that part of the ovary of a flowering plant where the ovules
           form
      2: the vascular structure in the uterus of most mammals
         providing oxygen and nutrients for and transferring wastes
         from the developing fetus
      [also: placentae (pl)]