Definition of Mammalia

1. Noun. Warm-blooded vertebrates characterized by mammary glands in the female.


Definition of Mammalia

1. n. pl. The highest class of Vertebrata. The young are nourished for a time by milk, or an analogous fluid, secreted by the mammary glands of the mother.

Definition of Mammalia

1. Noun. (obsolete) (alternative capitalization of Mammalia) ¹

¹ Source: wiktionary.com

Medical Definition of Mammalia

1. The highest class of Vertebrata. The young are nourished for a time by milk, or an analogous fluid, secreted by the mammary glands of the mother. Mammalia are divided into three subclasses; I. Placentalia. This subclass embraces all the higher orders, including man. In these the foetus is attached to the uterus by a placenta. II. Marsupialia. In these no placenta is formed, and the young, which are born at an early state of development, are carried for a time attached to the teats, and usually protected by a marsupial pouch. The opossum, kangaroo, wombat, and koala are examples. III. Monotremata. In this group, which includes the genera Echidna and Ornithorhynchus, the female lays large eggs resembling those of a bird or lizard, and the young, which are hatched like those of birds, are nourished by a watery secretion from the imperfectly developed mammae. Origin: NL, from L. Mammalis. See Mammal. (20 Mar 1998)

Lexicographical Neighbors of Mammalia

mamma bear
mamma bears
mamma erratica
mamma masculina
mamma mia
mamma virilis
mammae
mammal
mammal-like reptile
mammal-like reptiles
mammal Semnopithecus
mammal family
mammal genus
mammaldom
mammalgia
mammalia
mammaliaform
mammaliaforms
mammalial
mammalian
mammalian expression vector
mammalians
mammaliferous
mammalities
mammality
mammallike
mammalogical
mammalogies
mammalogist
mammalogists

Literary usage of Mammalia

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Great Ice Age: And Its Relation to the Antiquity of Man by James Geikie (1874)
"Palaeolithic tools and remains of southern mammalia nowhere found in superficial deposits ... Palaeolithic man and the southern mammalia not post-glacial. ..."

2. Elements of Geology; Or, The Ancient Changes of the Earth and Its by Charles Lyell (1865)
"In the former, or the Recent, the mammalia as well as the ... and often a considerable part, of the mammalia belong to extinct species. ..."

3. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"... and bow necessarily imperfect.must be the geological record in still earlier periods. developed Mammalia of the Eocene period realiy necessitate (to the ..."

4. The American Naturalist by American Society of Naturalists, Essex Institute (1900)
"The position taken by the present writer ('98, '99) is that the weight of evidence favors the derivation of the Mammalia from some unknown member of the ..."

5. A Manual of Elementary Geology; Or, The Ancient Changes of the Earth and Its by Charles Lyell (1865)
"In the former, or the Recent, the mammalia as well as the shells are identical with species now living ; whereas in the Post-pliocene a part, ..."

6. Geology and Mineralogy Considered with Reference to Natural Theology by William Buckland (1836)
"SECTION I. FOSSIL Mammalia. ... The structure of the greater number, even of the earliest fossil Mammalia, differs in so few essential points from that of ..."

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