Search Displaying 1 - 2 of 2 Fulltext search Sort by RelevanceDate Created: Newest to OldestDate Created: Oldest to Newest Sperm Capacitation By: Stephen Ruffenach | Published: Jul 07, 2009 Sperm capacitation refers to the physiological changes spermatozoa must undergo in order to have the ability to penetrate and fertilize an egg. This… Sperm CapacitationSpermOvaFertilization Ovism By: Cera R. Lawrence | Published: Aug 13, 2008 Ovism was one of two models of preformationism, a theory of generation prevalent in the late seventeenth through the end of the eighteenth century.… OvumOvaSperm Filter my results Keyword (-) Ova (2) (-) Sperm (2) ContributorCera R. Lawrence (1) Stephen Ruffenach (1) CollectionArticles (2)