diffused placenta
Look at other dictionaries:
diffuse placenta — noun also diffused placenta : a placenta made up of villi diffusely scattered over almost the whole surface of the chorion (as in whales, swine, and horses) … Useful english dictionary
Metadiscoidal — Met a*dis*coid al, a. [Meta + discoidal.] (Anat.) Discoidal by derivation; applied especially to the placenta of man and apes, because it is supposed to have been derived from a diffused placenta. [1913 Webster] … The Collaborative International Dictionary of English
Tree of life — For other uses, see Tree of life (disambiguation). An 1847 depiction of the Norse Yggdrasil as described in the Icelandic Prose Edda by Oluf Olufsen Bagge The concept of a tree of life, a many branched tree illustrating the idea that all life on… … Wikipedia
birth control — regulation of the number of children born through the deliberate control or prevention of conception. Cf. family planning (def. 1). [1914, Amer.] * * * Voluntary limiting of human reproduction, using such means as contraception, sexual abstinence … Universalium
Christianity — /kris chee an i tee/, n., pl. Christianities. 1. the Christian religion, including the Catholic, Protestant, and Eastern Orthodox churches. 2. Christian beliefs or practices; Christian quality or character: Christianity mixed with pagan elements; … Universalium
Immunity — The condition of being immune. Immunity can be innate (for example, humans are innately immune to canine distemper) or conferred by a previous infection or immunization. * * * 1. The status or quality of being immune (1). 2. Protection against… … Medical dictionary
