- physiological polyspermy
- entrance of more than one spermatozoon into an oocyte, occurring normally in certain species, but with only one spermatozoon participating fully in the development of the embryo.
Medical dictionary. 2011.
Medical dictionary. 2011.
fertilization — fertilizational, adj. /ferr tl euh zay sheuhn/, n. 1. an act, process, or instance of fertilizing. 2. the state of being fertilized. 3. Biol. a. the union of male and female gametic nuclei. b. fecundation or impregnation of animals or plants. 4.… … Universalium
Ascidiacea — Taxobox fossil range=fossil range|0|0|earliest=Silurian|text=Recent (but see text) name = Ascidiacea image width = 250px image caption = Halocynthia sp. regnum = Animalia phylum = Chordata subphylum = Urochordata classis = Ascidiacea classis… … Wikipedia