| Marsupialia |
coextensive with the subclass Metatheria
출처: wordnet.princeton.edu/perl/webwn
|
|---|---|
| Marsupialia |
Marsupials are mammals in which the female typically has a pouch (called the marsupium, from which the name 'Marsupial' derives) in which it rears its young through early infancy. They differ from placental mammals (Placentalia) in their reproductive traits. The female has two vaginas, both of which open externally through one orifice but lead to different compartments within the uterus. Males usually have a two-pronged penis which corresponds to the females' two vaginas. ...
출처: en.wikipedia.org/wiki/Marsupialia
|