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Medical Dictionary

Eutheria

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noun plural Eu·the·ria \yu̇-ˈthir-ē-ə\

Medical Definition of Eutheria

: a major division of mammals characterized by the attachment of the developing fetus to the maternal uterus by a placenta and including all mammals living at the present time except the marsupials

eutherian

\-ē-ən\play adjective or noun

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