Drugs Information Online
Drugs and diseases reference index

Drugs and diseases reference index
Search
EN


Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «H»:

  1. Hormone, mineralocorticoid Hormone, mineralocorticoid
    Hormone, mineralocorticoid: A group of hormones, the most important being aldosterone, that regulate the balance of water and electrolytes (ions such as sodium and potassium) in the body. The mineralocorticoid hormones act specifically on the tubules of the kidney....
  2. Hormone, parathormone Hormone, parathormone
    Hormone, parathormone: Hormone made by the parathyroid gland (behind the thyroid gland in the neck). Parathormone (pronounced para-thor-mone) is critical to calcium and phosphorus balance. Deficiency of parathormone results in abnormally low calcium in the blood (hypocalcemia). Also call parathyrin....
  3. Hormone, parathyrin Hormone, parathyrin
    Hormone, parathyrin: See Hormone, parathormone....
  4. Hormone, parathyroid Hormone, parathyroid
    Hormone, parathyroid: See Hormone, parathormone....
  5. Hormone, progesterone Hormone, progesterone
    Hormone, progesterone: A female hormone, progesterone is the principal progestational hormone. Progestational hormones prepare the uterus (the womb) to receive and sustain the fertilized egg....
  6. Hormone, secretin Hormone, secretin
    Hormone, secretin: Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word "hormone" was coined by the English physiologists Wm. M. Bayliss and Ernest H. Starling in connection with their discovery of secretin, the first hormone, in 1902....
  7. Hormone, T3 Hormone, T3
    Hormone, T3: Triiodothyronine, a thyroid hormone. The number 3 is usually in subscript....
  8. Hormone, thyroid Hormone, thyroid
    Hormone, thyroid: Chemical substance made by the thyroid gland which is located in the front of the neck. The thyroid gland uses iodine to make thyroid hormones. The two most important thyroid hormones are thyroxine (T4) and triiodothyronine (T3)....
  9. Hormone, thyroid stimulating (TSH) Hormone, thyroid stimulating (TSH)
    Hormone, thyroid stimulating (TSH): A hormone produced by the pituitary gland at the base of the brain in response to signals from the hypothalamus gland in the brain. TSH promotes the growth of the thyroid gland in the neck and stimulates it to produce more thyroid hormones. When there is an exces...
  10. Hormone, thyrotropin Hormone, thyrotropin
    Hormone, thyrotropin: A hormone produced by the pituitary gland at the base of the brain in response to signals from the hypothalamus gland in the brain. The suffix -tropin indicates "an affinity for". Thyrotropin has an affinity for the thyroid. Thyrotropin is known also as thyroid stim...
  11. Hormone, thyroxine Hormone, thyroxine
    Hormone, thyroxine: A chemical substance made by the thyroid gland The thyroid gland uses iodine to make thyroid hormones. Thyroxine (T4), one of the most important thyroid hormones, has four iodine molecules attached to its molecular structure....
  12. Hormone, triiodothyronine Hormone, triiodothyronine
    Hormone, triiodothyronine: A hormone made by the thyroid gland. It has three iodine molecules attached to its molecular structure. Iodine is naturally found in seafood, bread, seaweed, and ordinary table salt. Triiodothyronine is the most powerful thyroid hormone, and affects almost every proces...
  13. Hormone, TSH Hormone, TSH
    Hormone, TSH: Stands for Thyroid Stimulating Hormone. Also known as thyrotropin....
  14. Hormone,T4 Hormone,T4
    Hormone,T4: Thyroxine....
  15. Horner syndrome Horner syndrome
    Horner syndrome: A complex of abnormal findings, namely sinking in of one eyeball, ipsilateral ptosis (drooping of the upper eyelid on the same side) and miosis (constriction of the pupil of that eye) together with anhidrosis (lack of sweating) and flushing of the affected side of the face. Due to p...