What are the Histological Features of the Thyroid Gland?
Histologically, the thyroid gland is composed of numerous thyroid follicles, each lined with a single layer of follicular cells and filled with colloid. The follicular cells synthesize and secrete thyroglobulin into the colloid, where iodination occurs. The parafollicular cells, or C cells, are another cell type found in the thyroid gland, responsible for producing calcitonin.
