Definition of placental in English:

placental

Syllabification: pla·cen·tal
Pronunciation: /pləˈsentl
 
/

adjective

  • 1Of or relating to a placenta.
    More example sentences
    • In mice, the gender of adjacent siblings on the placental fetus line in the uterus will affect such things as the male/female ratio of a given mouse's subsequent offspring, and even the longevity of those offspring.
    • She believes her 14-year-old daughter's scleroderma, a systemic sclerosis, is linked to silicone crossing the placental barrier.
    • The couple, from Whinmoor, Leeds, claim greater care should have been taken of the woman who was diagnosed with pre-eclampsia - a placental defect - some weeks before the birth.
  • 1.1 Zoology Relating to or denoting mammals that possess a placenta; eutherian.
    More example sentences
    • To distinguish them from the marsupials and the placental mammals the monotremes are placed in their own class, the prototheria.
    • The reproductive system of the therians (marsupial and placental mammals) is a complex variation on the egg-layer's basic tubular structure.
    • Both taxa are placental or eutherian mammals, but their relationships to other eutherians continue to be a source of discussion.

noun

Zoology Back to top  
  • A placental mammal. See Eutheria.
    More example sentences
    • ‘Looking across the world, 99.9 percent of modern mammals are placentals and marsupials, so finding how they came about is an important question,’ he said.
    • It is significant because a vast majority of mammals alive today are placentals.
    • Cathy's work suggests that, unlike placentals, marsupial mammals never had to rediscover red; for them, it's always been there.

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Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody