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).
Vaccine, flu
The flu (influenza) vaccine is recommended for persons at high risk for serious complications from influenza infection. Those include: > >Everyone age 65 or more; >People with chronic diseases of the heart; >People with chronic diseases of…
Read the definitionRandom terms
Show more- Breast lump A localized swelling, knot, bump, bulge or protuberance in the breast. Breast lumps may appear in both sexes…
- Fornix conjunctivae The fornix of the conjunctivae refers to loose arching folds connecting the conjunctival membrane lining the…
- Tuberculosis treatment Treatment of tuberculosis (TB), depends upon the status of the infection and differs for dormant and active…
- Hydatid disease, alveolar A tumor that forms in the uterus as a mass of cysts resembling a bunch of grapes. Moles occur during the…
- Psychologist, clinical A professional specializing in diagnosing and treating diseases of the brain, emotional disturbance, and…
- Malformation, arteriovenous An arteriovenous malformation (AVM) is a congenital disorder (one present at birth) of blood vessels in the…
- RNA virus A virus in which the genetic material is RNA. The RNA may be either double- or single-stranded. There are 6…
- Radionuclide An unstable form of a chemical element that radioactively decays, resulting in the emission of nuclear…
- Canine heartworm Dirofilaria immitis. See: Heartworm
- Cardioverter Although cardioversion (the conversion of one cardiac rhythm to another) may sometimes be done with…
- Cowper's gland Painful muscle spasms in the abdomen, arms, or legs following strenuous activity. The skin is usually moist…
- Clostridium botulinum A group of rod-shaped bacteria commonly found in the soil that grow best under low oxygen conditions. The…