
Parathyroid gland
Chief, or principal, cells are small, polygonal cells with centrally located nuclei. Oxyphil cells can be clearly distinguished from the principal cells by their larger size and abundant, eosinophilic cytoplasm. Note the large number of capillaries between the rows of chief and oxyphil cells. 1000x

Principal cells
Chief, or principal, cells are small, polygonal cells with centrally located nuclei. Oxyphil cells can be clearly distinguished from the principal cells by their larger size and abundant, eosinophilic cytoplasm. Note the large number of capillaries between the rows of chief and oxyphil cells. 1000x

Oxyphil cells
Chief, or principal, cells are small, polygonal cells with centrally located nuclei. Oxyphil cells can be clearly distinguished from the principal cells by their larger size and abundant, eosinophilic cytoplasm. Note the large number of capillaries between the rows of chief and oxyphil cells. 1000x

Capillaries
Chief, or principal, cells are small, polygonal cells with centrally located nuclei. Oxyphil cells can be clearly distinguished from the principal cells by their larger size and abundant, eosinophilic cytoplasm. Note the large number of capillaries between the rows of chief and oxyphil cells. 1000x