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Definitions from WordNet

Definitions from the Web

Aplacental

Part of speech: Adjective

Definition: Referring to a mammal that lacks a placenta.

Sense 1: Popular Usage

Aplacental animals, such as marsupials, give birth to relatively undeveloped offspring and continue their early development in an external pouch.

Sample sentence 1: The kangaroo is an example of an aplacental mammal.

Sample sentence 2: Aplacental species have a unique reproductive strategy.

Sense 2: Local Usage

In local biology, aplacental is a term used to describe organisms lacking a placenta or similar structure for nourishing embryos.

Sample sentence 1: The professor explained the difference between placental and aplacental species during the biology lecture.

Sample sentence 2: The presence or absence of a placenta distinguishes placental and aplacental animals.

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