monotreme
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Ventral view of a female echidna, a monotreme, showing single orifice.
See also: monotrème
English
Etymology
Pronunciation
Noun
monotreme (plural monotremes)
- (zoology) Any of the order Monotremata of mammals that lay eggs and have single orifices for urogenital and digestive functions (cloaca); an echidna, platypus or one of their extinct relatives.
Derived terms
Related terms
Translations
egg-laying mammal
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See also
Adjective
monotreme (not comparable)
- (palynology, of a pollen grain) Having a single trema, or aperture.
- Synonyms: 1-treme, monoaperturate
- 1952, G. Erdtman, Pollen Morphology and Plant Taxonomy, published 1986, →ISBN, page 548:
- Nomotreme fern and moss spores are monotreme.
Coordinate terms
References
monotreme on Wikipedia.Wikipedia