eutherian


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Related to eutherian: metatherian

eutherian

(yo͞o-thîr′ē-ən)
n.
Any of various mammals of the infraclass Eutheria, including all of the species, such as primates, carnivores, whales, ruminants, bats, and rodents, in which the female bears live young that are nourished before birth by means of a complex placenta. Also called placental mammal.

eu·ther′i·an adj.

eutherian

any placental mammal of the subclass Eutheria, characterized by the embryo developing in the uterus of the female where it obtains food and exchanges gases through the attached PLACENTA.
References in periodicals archive ?
The present study reveals several interesting evolutionary observations on the HBB gene among the eutherian, dinosaurian and neopterygii taxa.
It is suggested that a number of events including gene conversion have occurred during evolution which has altered the clusters of [beta]-globin gene in specific ways in different eutherian (mammalian) orders.
This means that the platypus XY evolved independently of the eutherian XY and determines sex in a different, still unknown, way.
The platypus XY probably evolved independently of the eutherian XY.
The PEG10 gene arose from a retrovirus-like agent that inserted into mammalian DNA in an ancestor of marsupials and Eutherians.
Egg-laying mammals, like the platypus and the echidna; marsupials, like the opossum and the wallaby; and all other mammals - called eutherians - which include humans, dogs, mice, and giraffes.
For example, humans are included in the following nested clades (using the informal names): eukaryotes, animals, deuterostomes, vertebrates, gnathostomes, tetrapods, amniotes, mammals, eutherians, primates, monkeys, apes, and great apes (see Dawkins, 2004 for more information on the ancestry of humans).