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).
Carbohydrates
Mainly sugars and starches, together constituting one of the three principal types of nutrients used as energy sources (calories) by the body. Carbohydrates can also be defined chemically as neutral compounds of carbon, hydrogen and…
Read the definitionRandom terms
Show more- Adult T-cell leukemia Abbreviated ATL. A malignancy of mature T lymphocytes (T cells) with its onset in adulthood caused by…
- Vena cava The superior vena cava is the large vein which returns blood to the heart from the head, neck and both upper…
- Whipple disease A form of intestinal malabsorption (an inability to absorb nutrients from the intestine) described in 1907 by…
- Genome, cow See: Bovine genome
- Infantile systemic hyalinosis A genetic disorder characterized at birth or soon afterwards by painful swollen joint contractures and red…
- Fascinoma Medical slang for a fascinating case, usually involving a rare disease
- F (symbol) A much used symbol, F stands for fractional concentration; free energy; Fahrenheit; visual field; fluorine…
- Phalanx Anatomically, any one of the bones in the fingers or toes. (Plural: phalanges.) There are 3 phalanges (the…
- NLM (National Library of Medicine) The world's largest medical library, the U.S. National Library of Medicine (NLM) is part of the National…
- Aspergillosis Infection with the fungus Aspergillus, seen especially in people with a deficient immune system. The clinical…
- Breast cancer metastasis suppressor 1 (BRMS1) A gene that plays a role in preventing the metastasis (spread) of breast cancer to other parts of the body…
- Infiltrate To penetrate. If an IV infiltrates, the IV fluid penetrates the surrounding tissue.