placental

英 [plə'sentl] 美 [plə'sentl]

• adj. 胎盘的；胎座的
• n. 有胎盘哺乳动物

英英释义

Noun:

1. mammals having a placenta; all mammals except monotremes and marsupials

Adjective:

1. pertaining to or having or occurring by means of a placenta;

   "all mammals except monotremes and marsupials are placental mammals"
   

例句

用作形容词 (adj.)

1. All mammals except monotremes and marsupials are placental mammals.
   除了单孔类动物和有袋动物之外所有的哺乳动物都是有胎盘的哺乳动物。
2. Capsule included in calyx, septicidal, valves separating from wide placental axis.
   蒴果内藏于花萼，室间开裂，裂爿从宽分开胎盘的轴。

用作名词 (n.)

1. Sloths and their relatives branched off from all other placental mammals about 100 million years ago.
   树懒及其亲缘大约在一亿年前与其它的胎盘哺乳动物分道扬镳。

词汇搭配

• placental barrier 胎盘屏障
• placental plasmodium [医] 胎盘合胞体...
• placental transmission 胎盘透过
• placental zone [医] 胎盘(附着)...
• placental forceps 胎盘钳
• placental respiration 胎盘呼吸
• placental mammals 胎盘哺乳动物...
• placental infarction 胎盘梗塞
• placental fibrosis 胎盘纤维化
• placental membrane 胎盘膜
• placental fold 胎盘褶
• placental immunity [医] 胎盘免疫, ...
• placental globulin 胎盘球蛋白
• placental septum 胎盘隔
• placental localization 胎盘定位
• placental lobules 胎盘小叶
• placental hormone 胎盘激素
• placental pole [医] 胎盘极(胚)...

近反义词

【近义词】

• eutherian [动]真哺乳亚纲的(动物...

【反义词】

• aplacental 无胎盘的