kilpirauhasstimuloivan

Kilpirauhasstimuloiva, often abbreviated as TSH, is a hormone produced by the anterior pituitary gland. Its primary function is to regulate the production of thyroid hormones by the thyroid gland. TSH stimulates the thyroid gland to synthesize and release thyroxine (T4) and triiodothyronine (T3), which are crucial for regulating metabolism, growth, and development in the body.

The regulation of TSH levels is a classic example of a negative feedback loop. When thyroid hormone levels in the blood are low, the pituitary gland releases more TSH to stimulate the thyroid. Conversely, when thyroid hormone levels are high, the pituitary gland reduces TSH production. This feedback mechanism helps to maintain a stable balance of thyroid hormones.

TSH levels are commonly measured in blood tests as a key indicator of thyroid function. Elevated TSH levels can suggest hypothyroidism, a condition where the thyroid gland is underactive. Low TSH levels can indicate hyperthyroidism, where the thyroid gland is overactive. These tests are essential for diagnosing and monitoring various thyroid disorders.