myocrisin , fenoprofen , phosphorulated hesperidin and ps53 ( a hydroquinone-sulfonic acid-formaldehyde polymer ) inhibited fertilization when incubated with capacitated spermatozoa before the treated spermatozoa were mixed with intact oocytes but not when the inhibitor-treated , capacitated spermatozoa were added to oocytes free of follicle cells .
C0029045
oocytes
C0018120
follicle