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).
Cramping leg pain
A serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels affected by inflammation are the arteries (hence the name "arteritis"). The age of affected patients is usually over 50 years of…
Read the definitionRandom terms
Show more- Melissophobia Fear of bees. A phobia is an unreasonable sort of fear that can cause avoidance and panic. Phobias are a…
- Syncope, situational The temporary loss of consciousness in a particular kind of situation. The situations that trigger this…
- Cord, umbilical See: Umbilical cord
- ACOG (Amer College of Ob & Gyn) ACOG (American College of Obstetricians and Gynecologists): The American College of Obstetricians and…
- Metagene A pattern of gene expression. Not an actual gene. 'We identified aggregate patterns of gene expression…
- Aromasin Brand name of exemestane, an oral antiestrogen. Aromasin inhibits the enzyme aromatase in the adrenal glands…
- Nocardia infection Also called nocardiosis, infection with bacteria called Nocardia which tend to strike the lungs, brain and…
- Coarctation A narrowing, a stricture, a constriction. Although the best known coarctation is of the aorta, any artery can…
- S1-S5 (sacral vertebrae) The first sacral vertebra through the fifth sacral vertebra. There are 5 sacral vertebral bones. They are…
- Sexually transmitted diseases in women Women can contract all of the venereal diseases, but may have no symptoms, or have different symptoms than…
- Ventricular fibrillation An abnormal irregular heart rhythm whereby there are very rapid uncoordinated fluttering contractions of the…
- Hepatitis D Liver inflammation due to the hepatitis D virus (HDV), which only causes disease in patients who already have…