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).
Chemoprophylaxis
The use of a chemical agent to prevent the development of a disease. See: Chemoprevention
Read the definitionRandom terms
Show more- Materia medica 1. The ingredients used to make medications, whether those be for medicine, homeopathy, herbal medicine, or…
- Meter, pH See: pH meter
- Huntingtin The name of the gene responsible for Huntington disease (HD) and of the protein encoded by that gene. The…
- Lycopene Lyme disease is a bacterial illness caused by a bacterium called a "spirochete." Lyme disease is spread by…
- Central At or near the center. In anatomy and medicine (as elsewhere), central is the opposite of 'peripheral' which…
- Enzymes Proteins that act as a catalysts in mediating and speeding a specific chemical reaction. In 1902 Archibald…
- Regurgitation, mitral See: Mitral regurgitation
- Oriental lung fluke Paragonimus westermani. See: Paragonimiasis
- Sir Charles Bell See: Bell, Charles
- Effacement The thinning of the cervix which occurs before and while it dilates
- Oral aversion Reluctance or refusal to feed or eat. A familiar example of oral aversion is a baby's refusal to breastfeed…
- Quadriceps stretch An exercise to stretch the quadriceps muscle, the large muscle in the front of the thigh. To do this…