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).
Homocystinuria
A genetic disease due to an enzyme deficiency. Among other events, there is a buildup of the amino acid homocystine. Progressive mental retardation is common in untreated cases. The finding of vascular disease and premature…
Read the definitionRandom terms
Show more- Flu, Asian See: Asian flu
- Disease, Gilbert See Gilbert syndrome
- Wormwood The essence of absinthe, an emerald-green liqueur flavored with extracts of the wormwood plant, licorice and…
- Infection, breast See: Breast infection. See also: Mastitis
- Brain aneurysm Brain aneurysm: A brain aneurysm is a small outpouching (an aneurysm) that looks like a berry and classically…
- Biological therapy Biological therapy: Treatment to stimulate or restore the ability of the immune (defense) system to fight…
- Disease, cat scratch A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease…
- Pleomorphic Many-formed. A tumor may be pleomorphic. Pleomorphic is synonymous with protean (capable of assuming…
- N-Hexane >Teach children and teenagers the dangers of inhaling products that contain n-hexane. >Keep products…
- Cardiomyopathy Disease of the heart muscle (the myocardium). From the Greek roots: 'cardio-', heart + 'mys', muscle +…
- DEA Every prescription written in the United States bears a DEA number, that of the prescribing doctor, the DEA…
- Functional food Functional foods are 'those foods that encompass potentially healthful products including any modified food…