MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Thyroxine
Abbreviated T4. A hormone made by the thyroid gland that has four iodine molecules attached to its molecular structure. T4 and other thyroid hormones help regulate growth and control the rate of chemical reactions (metabolism) in the body
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Show more- National Formulary Full name: United States Pharmacopeia and National Formulary (USP-NF). An official publication, issued first…
- Exemestane An oral antiestrogen. Exemestane inhibits the enzyme aromatase in the adrenal glands that produces the…
- Mycosis fungoides A type of non-Hodgkin's lymphoma that first appears on the skin. Also called cutaneous T-cell lymphoma.
- Bladder infection Infection of the urinary bladder. Some people are at more risk for bladder and other urinary tract infections…
- Potassium The major positive ion (cation) found inside of cells. The chemical notation for potassium is K+. The proper…
- Trachelectomy Surgical removal of the cervix, the lower portion of the uterus that protrudes into the vagina. Trachelectomy…
- Major A major may be an officer in the military but, in a larger sense, it can be anything that is more than…
- Sensory Relating to sensation, to the perception of a stimulus and the voyage made by incoming (afferent) nerve…
- Gene, marker A detectable genetic trait or segment of DNA that can be identified and tracked. A marker gene can serve as a…
- Carditis Inflammation of the heart
- Exhibitionism Ashing'): Exhibitionism is characterized by intense, sexually arousing fantasies, urges or behaviors…
- Guided imagery An alternative medicine technique in which patients use their imagination to visualize improved health, or to…