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aplacental

/ˌeɪ.pləˈsen.təl/

翻译: 过时的生物学形容词,指没有胎盘的动物,即胚胎发育过程中不形成胎盘的。

1 个条目

adjective

/ˌeɪ.pləˈsen.təl/formalscientific已废弃
  • zh过时的生物学形容词,指没有胎盘的动物,即胚胎发育过程中不形成胎盘的。

An obsolete biological term describing an animal that does not have a placenta.

  1. Having no placentaC2formalscientific

    Describing an organism, especially a mammal, that lacks a placenta for fetal development.

    zh无胎盘的

    • Marsupials are aplacental mammals that give birth to relatively undeveloped young.
    • The aplacental condition is typical of monotremes and marsupials.
    • Researchers studied the aplacental development of the kangaroo embryo.

    反义词placental