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).
Contraction, premature
See: Extrasystole
Read the definitionRandom terms
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- Orthorexia nervosa A term designating a disorder in which there is an unhealthy obsession with healthy eating, an extreme…
- Insinuate In the biomedical sciences, to introduce slowly, through a winding or narrow passage, or by a persistent…
- Sensory Relating to sensation, to the perception of a stimulus and the voyage made by incoming (afferent) nerve…
- Dyspraxia of speech A developmental disability characterized by difficulty in muscle control, specifically of the muscles…
- Emia Suffix meaning blood or referring to the presence of a substance in the blood. As for example, anemia (lack…
- Bayes' theorem See: Bayes theorem
- Elastase An enzyme that digests and degrades a number of proteins including elastin, an elastic substance in the lungs…
- Epididymitis Inflammation of the epididymis, a structure within the scrotum attached to the backside of the testis. The…
- Homo- An amino acid produced by the body, usually as a byproduct of consuming meat. Homocysteine is made from…
- Mouth 1. The upper opening of the digestive tract, beginning with the lips and containing the teeth, gums, and…
- Pediatric urinary tract infection See: Urinary tract infection in children