MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Thyroid hormones
Chemical substances made by the thyroid gland, which is located in the front of the neck. This gland uses iodine to make thyroid hormones, which are essential for the function of every cell in the body. They help regulate growth and the…
Read the definitionRandom terms
Show more- Lancing device A device that holds a lancet firmly, and when triggered, moves the lancet linearly ahead to prick the skin in…
- Humorism In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- Syndrome, Tourette Syndrome, Tourette: A tic disorder characterized by the presence of chronic vocal and motor tics, probably…
- Prothrombin 20210A mutation See: Prothrombin mutation G20210A
- Neurological Disorders and Stroke, Nat'l Institut Of (NINDS): One of the National Institutes of Health in the U.S., the NINDS's mission is to 'support and…
- Operating room A facility equipped for performing surgery. Abbreviated OR
- Ageusia The inability to taste sweet, sour, bitter, or salty substances. Some people can taste but their ability to…
- Small intestine insufficiency See: Short bowel syndrome
- Super- Prefix meaning meaning above, more than normal, or excessive. As in superaspirin, superbug, superjacent…
- Prostate acid phosphatase (PAP) Prostatic acid phosphatase, an enzyme that is produced by the prostate (and other tissues) and that is…
- Electrophysiologic study of the heart A test of the electrical conduction system of the heart (the system that generates the heart beat)…
- Metabolomics The global analysis of metabolites, small molecules generated in the process of metabolism. See also…