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).
Spanish flu
A pandemic of influenza A (H1N1) in 1918-19 that caused the highest number of known flu deaths. More than 500,000 people died in the United States, and 20 million to 50 million people may have died worldwide. Many people died within the…
Read the definitionRandom terms
Show more- Malleolus Bony prominence on either side of the ankle.
- Afferent Carrying toward. A vein is an afferent vessel since it carries blood toward from the heart. An afferent nerve…
- Mycobacterium tuberculosis The bacterium that causes tuberculosis. M. tuberculosis has unusually waxy walls, is slow-growing and among…
- Injury Harm or hurt. The term 'injury' may be applied in medicine to damage inflicted upon oneself as in a hamstring…
- Retinoschisis, juvenile See: Juvenile retinoschisis
- Cauterization The use of heat to destroy abnormal cells. Also called diathermy or electrodiathermy.
- Bilateral pneumonia See: Pneumonia, bilateral
- HIV Acronym for the Human Immunodeficiency Virus, the cause of AIDS (acquired immunodeficiency syndrome). HIV has…
- Osteomyelitis Inflammation of the bone due to infection, for example by the bacteria salmonella or staphylococcus…
- Infant mortality rate The number of children dying under a year of age divided by the number of live births that year. The infant…
- Cancer, stomach Cancer of the stomach, the main organ that holds food for digestion. Worldwide, stomach cancer is the second…
- Bursa A closed fluid-filled sac that functions to provide a gliding surface to reduce friction between tissues of…