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).
Helix, double
The structure of DNA with the two strands of DNA spiraling about one other. The double helix looks something like an immensely long ladder twisted into a helix, or coil. The sides of the 'ladder' are formed by a backbone of sugar and…
Read the definitionRandom terms
Show more- Dehydration Dehydration: Excessive loss of body water. Diseases of the gastrointestinal tract that cause vomiting or…
- Bergstrom, Sune K (1916-2004) Swedish physician and scientist who was awarded the Nobel prize for physiology or medicine in…
- Disease, maple syrup urine See: Giant hypertrophic gastritis.
- Introitus, facial canal In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Kussmaul breathing Air hunger.
- Turner-Kieser syndrome See Nail-patella syndrome
- Cannabinoid A chemical compound in cannabis. or marijuana. Tetrahydrocannabinol is one of the cannabinoids
- APC (medication) Aspirin, phenacetin, and caffeine (a pill containing all three)
- Angiitis, allergic granulomatous See: Churg-Strauss syndrome
- Alexia A neurological disorder characterized by loss of the ability to read or understand the written word. Alexia…
- Hemidiaphragm Half of the diaphragm, the muscle that separates the chest cavity from the abdomen and that serves as the…
- Galenic arteriovenous malformation See: Vein of Galen aneurysm