![This is blank.](https://digitalhistology.org/wp-content/themes/histology-unified/imgs/trans.png)
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 <p>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</p>](https://digitalhistology.org/wp-content/uploads/2017/07/Or.Endo_.Para-4-1-ping.png)
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 <p>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</p>](https://digitalhistology.org/wp-content/uploads/2017/07/Or.Endo_.Para-4-2-ping.png)
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 <p>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</p>](https://digitalhistology.org/wp-content/uploads/2017/07/Or.Endo_.Para-4-3-ping.png)
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