ejaculated spermatozoa from man , the euopean wild boar and the bull , and spermatozoa from the cauda epididymes of the rabbit , rat , mouse , hamster and guinea pig were treated with a sonic bath , a sonic probe , trypsin with and without prior treatment with a sulphhydryl reagent , pronase and alkalis .
C0037868
spermatozoa
C0037851
spermatozoa