Ethanol-phosphotungstic acid and bismuth staining of spermatid nucleoli in mouse spermiogenesis.


The nucleoli of developing mouse spermatids were examined with ethanol-phosphotungstic acid (E-PTA) staining, and also with bismuth staining following formaldehyde fixation (FA-Bi staining) and glutaraldehyde fixation (GA-Bi staining). Only the cortical zone of the nucleolar dense fibrillar component (DFC) in the round spermatids was stained with E-PTA… (More)


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