The presence of argyrophilic granules in the parenchymal cells of the parathyroid glands.
D003594:Cytoplasmic Granules; D006296:Health Services; D006652:Histological Techniques; D006801:Humans; D010280:Parathyroid Glands / Q000033:anatomy & histology*
PARATHYROID GLAND/anatomy and histology