3)capacitation of spermatozoa o decapacitation factor: exist in epididymus, to inhibit the release of acrosome enzvmes e capacitation factor: secreted by epi cells of oviduct, capacity of releasing acrosome enzvmes3) capacitation of spermatozoa: decapacitation factor: exist in epididymus, to inhibit the release of acrosome enzymes capacitation factor: secreted by epi. cells of oviduct, capacity of releasing acrosome enzymes