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).
MELAS syndrome
MELAS syndrome: MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Stroke-like episodes. MELAS is a rare form of dementia. It is caused by mutations in the genetic material (DNA) in the mitochondria. While most of…
Read the definitionRandom terms
Show more- Hounsfield 1. Godfrey Hounsfield, a key contributor to the creation of the CAT scanner.2. The unit measuring the…
- Pauling See: Pauling, Linus
- Chronic Obstructive Lung Disease, Global Initiativ See: GOLD
- Pavlov stomach A Pavlov pouch fashioned surgically from part of the stomach (which is isolated from the rest of the…
- Clap Gonorrhea, a bacterial infection transmitted by sexual contact. Gonorrhea is one of the oldest known sexually…
- Round To go around and see a patient in a hospital or other in-patient setting
- Frame, reading See: Reading frame
- Fertility The ability to conceive and have children, the ability to become pregnant through normal sexual activity…
- Paterson-Kelly syndrome See: Plummer-Vinson syndrome
- Range In medicine and statistics, the difference between the lowest and highest numerical values. For example, if…
- Ulcer, stasis A stasis ulcer is an ulcer (a crater) that develops in an area in which the circulation is sluggish and the…
- RWI Recreational water illness