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).
Primary biliary cirrhosis (PBC)
A liver disease caused by an abnormality of the immune system. Small bile ducts within the liver become inflamed and obliterated. Backup of bile causes intense skin itching and yellowing of the skin (jaundice). Lack of bile decreases…
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Show more- Childhood translocation 11 leukemia A new type of childhood leukemia in which a piece of chromosome 11 has been translocated (broken off and…
- Off-pump Not on the pump, usually meaning not on the heart-lung machine. See also: Off-pump surgery
- Strep test, rapid A diagnostic test commonly used to demonstrate whether streptococcus bacteria ('strep') are present in the…
- EDS (excessive daytime sleepiness) A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Hemidesmosome A specialised structure that attaches an epithelial cell to the basement membrane beneath it
- Carbon dioxide content A measure of the bicarbonate level in the blood. The normal carbon dioxide content may vary somewhat from one…
- Priapism Abnormally persistent erection of the penis in the absence of sexual desire. Priapism can occur in persons…
- Progressive cardiomyopathic lentiginosis See: LEOPARD syndrome
- Illness, chronic An illness that has persisted for a long period of time. It is a continuing disease process
- Ochronosis 1. Deposition of dark pigment in connective tissues, usually due to alkaptonuria or exposure to chemicals…
- Desensitization, allergy Stimulation of the immune system with gradually increasing doses of the substances to which a person is…
- Policosanol A product derived from the waxy coating of sugar cane that lowers both the total cholesterol and the 'bad'…