Thyroid follicular cell

Thyroid follicular cells or thyrocytes are cells in the thyroid gland that produce and secrete thyroid hormones. These cells are unique to the thyroid gland and are essential for the body's metabolism.

Structure

Thyroid follicular cells are cuboidal in shape and arranged in spherical follicles. Each follicle is filled with colloid, a proteinaceous depot of thyroglobulin, which is used in the production of thyroid hormones.

Function

The primary function of thyroid follicular cells is the production and secretion of the thyroid hormones thyroxine (T4) and triiodothyronine (T3). These hormones play a crucial role in the body's metabolism, growth, and development.

Clinical significance

Abnormalities in thyroid follicular cells can lead to various thyroid disorders. For example, overproduction of thyroid hormones can lead to hyperthyroidism, while underproduction can cause hypothyroidism. Additionally, these cells can become cancerous, leading to thyroid cancer.

See also

• Thyroid
• Thyroid hormone
• Thyroid disorders
• Thyroid cancer

Thyroid follicular cell Resources
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