The meaning of PLACENTAL is of, relating to, having, or occurring by means of a placenta. How to use placental in a sentence.
Define Placental mammals. Placental mammals synonyms, Placental mammals pronunciation, Placental mammals translation, English dictionary definition of Placental mammals. Noun 1. Eutheria - all mammals except monotremes and marsupials subclass Eutheria cl
Monotremes, like the spiny anteater, are the most primitive type of mammals; their young hatch from eggs. Eutheria, or placental mammals, are mammals whose young are nourished in the womb for an extended period of time by a placenta. Read Placental Mammals | Definition & Examples Lesson ...
Define placental membrane. placental membrane synonyms, placental membrane pronunciation, placental membrane translation, English dictionary definition of placental membrane. n. 1. Biology a. A thin, pliable layer of tissue covering surfaces or separatin
Origin of implacental1 First recorded in 1830–40; im- 2 + placental ( def ) Discover More Example Sentences Implacental, im-pla-sen′tal, adj. having no placenta, as certain marsupial animals. From Project Gutenberg The air had now become suitable for mammals, both placental and implacenta...
placentaladjective (1) Example SentencesQuiz Advertisement placental/ pləˈsɛntəl / adjective (esp of animals) having a placenta See also eutherian placental mammals“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986...
Placental Mammals | Definition & Examples from Chapter 31/ Lesson 18 38K Learn the definition of placental mammals and compare it to monotremes and eutherian mammals. Explore placental mammal examples and see how the placenta works. Related to this Question ...
(Eisenberg, 1981). While none of the living xenarthrans has incisors or canines, only anteaters have no teeth. These mammals are restricted to the New World from the southern United States to South America. The two-toed and three-toed sloths spend most of their lives hanging upside down ...
(medical) of or related to the placenta Join us Join our community to access the latest language learning and assessment tips from Oxford University Press! (biology) having a placenta placental mammals See placental in the Oxford Advanced American Dictionary Check pronunciation: placentalNearb...
As its name implies, progesterone is a “pro-gestational” hormone; it promotes and sustains the pregnant state.Progesteronehas been aptly called the “hormone of pregnancy” because it is essential forpregnancy maintenancein all mammals examined. Any interference ofprogesterone synthesisor action during...