thyroxin

Thân thiện

A doctor explains how thyroxin regulates metabolism using a diagram of the thyroid gland.

Definition

1. Noun:
   • A hormone produced by the thyroid gland: Thyroxin is a key hormone secreted by the thyroid gland. Its primary function is to regulate the body's metabolism by controlling the rate of oxidation and energy production within cells. Chemically, it is an iodine-containing compound.

Usage Examples

• Noun:
  • The doctor ordered a test to measure the level of thyroxin in her blood.
  • A deficiency in thyroxin can lead to symptoms like fatigue and weight gain.
  • The synthetic form of thyroxin is commonly prescribed to treat hypothyroidism.

Advanced Usage

• "Free thyroxin": Refers to the fraction of the hormone that is not bound to proteins in the blood and is biologically active.
  • The free thyroxin index provides a more accurate assessment of thyroid function.

Variants and Related Words

• Thyroxine (n): This is the most common variant spelling of the word. The two terms, "thyroxin" and "thyroxine," are used interchangeably.
  • Levothyroxine is a medication that is identical to the thyroxine produced by the human body.

Synonyms

• T4: This is the common abbreviation for thyroxine, referring to the fact it contains four iodine atoms.
• Levothyroxine: The name for the synthetic form used in medication.

Related Compounds

• Triiodothyronine (T3): Another, more potent hormone produced by the thyroid gland, which also regulates metabolism.

Học thuật

Noun

1. hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
   • thyroxine is 65% iodine

Từ đồng nghĩa

• thyroxine
• tetraiodothyronine
• T