placental

Meanings

1. 1
   adj

   relating to, supplied through, or possessing a placenta

   The placental tissues transfer oxygen and nutrients between mother and fetus.

2. 2
   noun

   a mammal of the crown group Placentalia, conventionally contrasted with marsupials and monotremes

   Humans, bats, whales, and rodents are all placentals.

Common collocations

• placental mammal Adjective + noun

From post-classical Latin placentalis, formed from placenta + -al. Placenta comes from Latin for a flat cake, applied anatomically to the organ's shape. Placental mammal is the traditional term for the living crown group Placentalia, although marsupials also form placentas.

Topics

External links

• Cambridge Dictionary
• Wiktionary
• Google Images