VariousWords beta
Related Terms:
monotrematic
urogenital
pantotreme
monotremata
platypus
prototherian
trema
nomotreme
puggle
catatreme
echidna
placenta
implacental
digestive
monotremes
zonotreme
epipubic bone
anatreme
crown mammal
orifice
Definitions:
Noun
monotreme
egg-laying mammal
Definition: the most primitive mammals comprising the only extant members of the subclass Prototheria
Definition: A mammal that lays eggs and has a single urogenital and digestive orifice. Only the echidnas and platypuses are included in this group.
Adjective
Definition: Having a single trema, or aperture.