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.
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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).
Behavior, automatic
A behavior that is performed without conscious knowledge and that does not appear to be under conscious control. This curious type of behavior occurs in a number of neurological and psychiatric disorders. The neurologic disorders…
Read the definitionRandom terms
Show more- Cholesterol, HDL See HDL cholesterol
- Angiography, coronary The most accurate method (the 'gold standard') for evaluating and defining coronary artery disease (CAD)…
- Mucopolysaccharidosis type IVB Morquio syndrome due to deficiency of the enzyme beta-galactosidase. See also Mucopolysaccharidosis
- Megalencephaly Also called macrencephaly, a condition in which there is an abnormally large, heavy, and usually…
- Richard L. Varco See: Varco, Richard L.
- Calor, dolor, rubor, and tumor Heat, pain, redness, and swelling. The four classical signs of inflammation, originally recorded by the Roman…
- Gangrene The death of body tissue due to the loss of blood supply to that tissue, sometimes permitting bacteria to…
- Microorchidism Abnormally small testes. To determine if the testes are too small, a device called an orchidometer is used…
- UNOS Acronym for the United Network for Organ Sharing, the nationwide umbrella for transplantation organ sharing…
- Macrovascular Pertaining to the macrovasculature, the portion of the vasculature of the body comprising the larger vessels…
- CIC Completely-in-the-canal (the ear canal). See: Completely-in-the-canal hearing aid. See also: Hearing aid
- Congenital clasped thumb with mental retardation See: Clasped thumbs and mental retardation