The organized distribution of acrosomal proteinase within the acrosomes of rabbit spermatozoa.
Acrosomal proteinase was found to be present in a highly organized distribution in the acrosomes of rabbit spermatozoa, using cytochemistry. This distribution consists of at least six linear loops of evenly spaced proteinase granules, which run diagonally across the flat side of the sperm head in a criss-crossing pattern. Two additional loops may be present, one encircling the tip of the spermatozoon in the region of the acrosome reaction, and the other at the posterior end of the acrosome. The results also seem to indicate that the enzyme granules are associated with the outer, and not the inner, acrosomal membrane.
D000176:Acrosin / Q000032:analysis*; D000177:Acrosome / Q000032:analysis*; D000818:Animals; D002462:Cell Membrane / Q000032:analysis; D010450:Endopeptidases / Q000032:analysis*; D006651:Histocytochemistry; D008297:Male; D011817:Rabbits; D013094:Spermatozoa / Q000032:analysis*
D010450:Endopeptidases; D000176:Acrosin