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).
Fever, dumdum
Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs) due to infection by an agent called Leishmania donovani. Leishmania donovani is transmitted by sandfly bites in parts of Asia…
Read the definitionRandom terms
Show more- Abdomen, acute The abrupt (acute) onset of abdominal pain. A potential medical emergency, an acute abdomen may reflect a…
- Miliary aneurysm An aneurysm that is tiny like a millet seed. Miliary aneurysms tend to affect minute arteries in the brain…
- Vaccination, H. flu This immunization is designed to prevent disease due to Haemophilus influenzae (H. flu), specifically…
- Crick-Brenner experiment An elegant and important experiment performed in 1961 by Francis Crick and Sydney Brenner. The experiment…
- Fear of mirrors An abnormal and persistent fear of mirrors. Sufferers experience undue anxiety even though they realize their…
- Retrovirus An RNA virus (a virus composed not of DNA but of RNA). Retroviruses have an enzyme called reverse…
- Melanoma vaccine A cancer vaccine prepared from human melanoma cancer cells. It may be used alone or with other therapy in…
- Seabather's itch An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- TGF Transforming growth factor
- Local therapy Treatment that affects only a tumor and the area close to it.
- Spine 1) The column of bone known as the vertebral column, which surrounds and protects the spinal cord. The spine…
- Vaccine, meningococcal A vaccine to prevent meningococcal meningitis, an inflammation of the membranes that cover the brain and…