Monotremata
Pronunciation: mon′ō-trē′mă-tă
Definition: An order of egg-laying mammals that have a cloaca or common chamber that receives digestive, urinary, and reproductive products; only Australia has such forms, the duck-billed platypus (Ornithorhynchus) and the echidna (Tachyglossus).
[mono- + G. trēma, a hole]
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Examples: glitazone, GI cocktail, etc.

