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Definition of Monotreme
1. Noun. The most primitive mammals comprising the only extant members of the subclass Prototheria.
Generic synonyms: Prototherian
Specialized synonyms: Anteater, Echidna, Spiny Anteater, Anteater, Echidna, Spiny Anteater, Duck-billed Platypus, Duckbill, Duckbilled Platypus, Ornithorhynchus Anatinus, Platypus
Definition of Monotreme
1. n. One of the Monotremata.
Definition of Monotreme
1. Noun. (zoology) A mammal that lays eggs and has a single urogenital and digestive orifice. Only the echidnas and platypuses are included in this group. ¹
2. Adjective. (palynology of a pollen grain) Having a single trema, or aperture ¹
¹ Source: wiktionary.com
Definition of Monotreme
1. [n -S]
Medical Definition of Monotreme
1.
Lexicographical Neighbors of Monotreme
Literary usage of Monotreme
Below you will find example usage of this term as found in modern and/or classical literature:
1. Report of the Annual Meeting (1900)
"On the Morphology of the Cartilages of the monotreme Larynx. By JOHNSON SYMINGTON,
MD, Professor of Anatomy, Queen's College, Belfast. ..."
2. The Popular Science Monthly (1888)
"The relations of the astragalus and calcaneum to each other are as in the monotreme
Platypus anatinus. 3. The articulation of the fibula with both calcaneum ..."
3. The Cambridge Natural History by Sidney Frederick Harmer, Arthur Everett Shipley (1902)
"... that in the monotreme, as in Whales indeed, the spine forms the anterior border
of the scapula, and is coincident with it, there being thus no ..."
4. Revision of the Pelycosauria of North America by Ermine Cowles Case (1907)
"The relations of the astragalus and calcaneum to each other are as in the monotreme
Platypus anatinus. "3. The articulation of the fibula with both ..."
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