spermatozoa from the cauda epididymidis of gossypol-treated rats exhibit distinctive departures from the morphology of spermatozoa from control rats : wrinkled and disorganized cell membrane in the head and tail regions , cell membrane missing from segments of the tail midpiece and principal piece regions , malformed heads , decapitate spermatozoa , retention of a cytoplasmic droplet at variable loci along tail midpieces , and looped tails .
C0037851
spermatozoa
C0037868
spermatozoa