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 ?
16,25) Furthermore, PEG11/ RTL1 was acquired after the eutherian/marsurpial split and before the split of the three major eutherian lineages, boreoeutheria (including euarchontoglires and laurasiatheria), afrotheria and xenarthra 120 Ma (see Fig.
1990) encountered similarities in the distribution and relative frequency of endocrine cells in the duodenum of eight marsupial species as well when compared to eutherian mammals, showing no difference between marsupials, herbivores, omnivores or carnivores.
Lack of supernumeration would be expected in eutherian taxa with a full complement of 44 teeth, as seen in several species of moles.
Nucleotide and protein sequences of [beta]-globin gene in nine eutherian (taxonomic classification given in Table 1a), Homo sapiens (GenBank Accession No.
Eutherian mammals have an XY system where SRY on the Y determines maleness, so XXY is male and XO is female.
Eutherian mammals like mice and humans protect their progeny for lengthy periods in an inner womb prior to giving birth.
Morton SR, Recher HF, Thompson SD, Braithwaite RW (1982) Comments on the Relative Advantages of Marsupial and Eutherian Reproduction.
Most of the information presented in this book pertains to the eutherian mammals.
Adaptive evolution of the uncoupling protein 1 gene contributed to the acquisition of novel nonshivering thermogenesis in ancestral eutherian mammals.
The BMR of eutherian mammals is accurately predicted by the Klieber equation, based on body mass, (26) and humans fit this predictive value well, indicating no increase in basal metabolism.
Hyperthermia is also recognized as being teratogenic in eutherian mammals, (21) the result of thermally induced apoptosis of cells during organogenesis.