Selective and Contrast Staining of Granules in the Juxtaglomerular Complex

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Abstract
A review of four methods for staining juxtaglomerular cells revealed that one method may be highly selective for juxtaglomerular granules (JGG) whereas another may stain general cytological features in addition to the granules. The kind of research undertaken would determine the particular method to be used. Harada's (1952) method, which uses a 1:400,000 solution of gentian violet is recommended as the highly selective stain, and the Masson-Goldner stain after a Ciaccio type fixation is best for cytological detail combined with clear tinctorial contrast of the JGG.