the activity levels of beta-n-acetylglucosaminidase , beta-n-acetylgalactosaminidase , beta-galactosidase and beta-glucosidase were fluorometrically assessed in spermatozoa , principal cells , basal cells and fibroblasts isolated from the rat epididymis by centrifugal elutriation .
C0007634
cells
C0016030
fibroblasts