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).
Beat, premature
See: Extrasystole
Read the definitionRandom terms
Show more- Auditory acuity The clarity or clearness of hearing, a measure of how well a person hears. Auditory acuity is what is…
- Apposition The word 'apposition' has several senses including the act of adding or accretion and also the putting of…
- Coccyx The small tail-like bone at the bottom of the spine very near to the anus. The coccyx is made up of 3-5…
- X (in genetics) Although the letter X can be used as a symbol in various ways (such as with X-rays, the X-axis of a graph…
- Lymphocytic leukemia, acute (ALL) Leukemia, acute (ALL): A rapidly progressing form of leukemia in which there are too many very young…
- Antifungal agent A drug used to treat fungal infections. Examples of antifungal drugs include miconazole (MONISTAT) and…
- Drug, antiviral An agent that kills viruses or suppresses their replication and, hence, inhibits their capability to multiply…
- Polymorphic Pertaining to a polymorphism, a variation in the DNA that is too common to be due merely to new mutation. A…
- Memory span The number of items, usually words or numbers, that a person can retain and recall. Memory span is a test of…
- Heart and hand syndrome See: Holt-Oram syndrome
- UNESCO Acronym for the United Nations Educational, Scientific, and Cultural Organization
- Bone, sesamoid See Sesamoid bone