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).
Niacin deficiency
See: Pellagra
Read the definitionRandom terms
Show more- Lymphoma, indolent See: Indolent lymphoma
- Partial seizure A seizure that affects only one part of the brain. Symptoms depend on which part is affected. One part of the…
- Poisoning, cyanide See: Cyanide
- Macrognathia An abnormally large jaw. This condition is associated with pituitary gigantism, tumors, and other disorders…
- Kidney cancer Kidney cancer: Malignancy of the kidney, the organ that is primarily responsible for the removal of metabolic…
- Vena cava, inferior A large vein that receives blood from the lower extremities, pelvis and abdomen and empties it into the right…
- Stenotic Narrowed, as in a stenotic artery. From the Greek 'stenos' meaning narrow
- WFS1 A gene on the short (p) arm of chromosome 4 in band 4p16 that encodes (provides the instructions for) a…
- ERISA Employment Retirement Income Security Act. A US law enacted in 1974 which set up the ground rules for pension…
- Disease, Whipple See: Whipple disease
- Section, cross A transverse cut through a structure. The opposite is a longitudinal section
- Coccygeal vertebrae The coccyx, the small tail-like bone at the bottom of the spine near the anus, is made up of 3-5 (average of…