真しん獣じゅう類るい

noun

eutherians; placental mammals

Scientific term for the group of mammals that give birth to live young nourished by a placenta. Used in biology and zoology contexts.

• 真しん獣じゅう類るいは胎たい盤ばんを持もつ哺ほ乳にゅう類るいのグループです。

  Eutherians are a group of mammals that have a placenta.

• 人にん間げんも真しん獣じゅう類るいに含ふくまれます。

  Humans are also included in eutherians.