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See also:MONODELPHIA (i.e. " single uterus,"—in allusion to the See also:fusion of at least the basal portions of this See also:organ, and in contradistinction to their duality in the Didelphia, or See also:Marsupialia) , See also:Cuvier's name for the See also:group which includes all the orders of mammals (See MAMMA1.1A) except the Marsupialia and See also:Monotremata; other titles for this group being Placentalia and Eutheria. With the Monotremata (q.v.) this group has no near See also:affinity; and while more nearly related to the Marsupialia (q.v.), in which an imperfect allantoic See also:placenta is sometimes See also:developed, it is broadly distinguished therefrom by the invariable presence of a functional placenta by the aid of which the foetus is nourished throughout the greater portion of See also:intra-uterine See also:life. Other distinctive features by which marsupials are separated from monodelphians or placentals will be found in the See also:article last mentioned. (R. End of Article: MONODELPHIA (i.e. " single uterus,"—in allusion to the fusion of at least the basal portions of this organ, and in contradistinction to their duality in the Didelphia, or Marsupialia)Additional information and CommentsThere are no comments yet for this article.
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