Definition

1. Noun:
   • A hormone secreted by the anterior pituitary gland: Thyrotropin is a peptide hormone that specifically targets and regulates the activity of the thyroid gland.
   • A thyroid-stimulating agent: It functions as the primary stimulator for the production and release of thyroid hormones (thyroxine and triiodothyronine) from the thyroid.

Usage Examples

• Noun:
  • The doctor ordered a test to measure the patient's serum thyrotropin level.
  • A deficiency in thyrotropin can lead to secondary hypothyroidism.
  • Thyrotropin secretion is controlled by thyrotropin-releasing hormone from the hypothalamus.

Advanced Usage

• "Thyrotropin-releasing hormone (TRH)": The hypothalamic hormone that stimulates the pituitary to secrete thyrotropin.

  • The pathway begins with the hypothalamus secreting thyrotropin-releasing hormone.

• "Thyrotropin-secreting adenoma": A type of pituitary tumor that produces excess thyrotropin.

  • The patient's hyperthyroidism was caused by a rare thyrotropin-secreting adenoma.

Variants and Related Words

• Thyrotropin (TSH): The full term is often abbreviated to TSH (Thyroid-Stimulating Hormone), which is synonymous and more commonly used in clinical settings.

  • The TSH test is a standard part of a thyroid function panel.

• Thyrotrophic (adj): Pertaining to or having the effect of thyrotropin.

  • The thyrotrophic activity of the hormone was confirmed.

Synonyms

• Thyroid-stimulating hormone (TSH): The most common synonym.
• Thyrotrophin: An alternate spelling with the same meaning.

Noun

1. anterior pituitary hormone that stimulates the function of the thyroid gland