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 placental [plә'sentl]   添加此单词到默认生词本
a. (有)胎盘的, (有)胎座的

n. 有胎盘哺乳动物

[医] 胎盘的




    placental
    [ noun ]
    1. mammals having a placenta; all mammals except monotremes and marsupials

    2. <noun.animal>
    [ adj ]
    1. pertaining to or having or occurring by means of a placenta

    2. <adj.all>
      all mammals except monotremes and marsupials are placental mammals


    Placental \Pla*cen"tal\, a.
    1. Of or pertaining to the placenta; having, or characterized
    by having, a placenta; as, a placental mammal.

    2. (Zo["o]l.) Of or pertaining to the Placentalia.


    Placental \Pla*cen"tal\, n. (Zo["o]l.)
    One of the Placentalia.

    1. These are either amniocentesis to obtain samples of amniotic fluid or chorionic villus sampling for placental cells.
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