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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Fart
This is not an accepted medical word for passing gas. Excess gas in the intestinal is medically termed 'flatulence.' (But what is excess gas is difficult to define since symptom-free individuals have recorded approximately 14 passages of…
Read the definitionRandom terms
Show more- Variolation The old practice of inoculating someone with the virus of smallpox to produce immunity to the disease. Lady…
- James Watson See: Watson, James
- Acanthamoeba A microscopic organism, an amoeba, found in soil, dust and fresh water (lakes, rivers, hot springs and hot…
- Fragile X syndrome Fragile X syndrome: One of the most common causes of inherited mental retardation and neuropsychiatric…
- Reaction, allergic A reaction that occurs when the immune system attacks a usually harmless substance (an allergen) that gains…
- Lupus in pregnancy Systemic lupus erythematosus (SLE) during pregnancy, a high-risk situation. The high risks are to both the…
- Periappendiceal Near the appendix. Perforation of the appendix can lead to a periappendiceal abscess (a collection of pus…
- Conservative mutation A change in a DNA or RNA sequence that leads to the replacement of one amino acid with a biochemically…
- Cranial nerves Nerves that emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from…
- Epilepsy, petit mal See: Petit mal
- Cryoprobe A surgical probe, a long slender pointed surgical instrument, used to apply extreme cold to tissues. From…
- Thomas Campion See: Campion, Thomas