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and on clear cells of the epididymal epithelium in rat An antibody to SP22 prevented cauda epididymal sperm from fertilizing the oocytes in rat [13,14] GP20 A 20 kDa glycoprotein; it may be a ...

Sperm (minimum 200 per sample) samples from the cauda epididymis were examined as a fixed wet preparation and classified as either normal (both head and midpiece appear normal) or abnormal (i.e., ...