Triiodothyronine

Definition

Triiodothyronine, also known as T3, is a thyroid hormone that plays a crucial role in the body's metabolic rate, heart and digestive functions, muscle control, brain development, and maintenance of bones. It is produced by the thyroid gland after being stimulated by the thyroid-stimulating hormone (TSH).

Related terms

Thyroid Gland:

An endocrine gland located in the neck that produces hormones like triiodothyronine (T3) and thyroxine (T4), essential for regulating metabolism.

Thyroid: Stimulating Hormone (TSH) - A pituitary gland hormone that signals the thyroid gland to produce more T3 and T4 when needed.

Metabolism:

The chemical processes within organisms that are necessary for maintaining life, including how quickly energy is consumed and utilized in the body