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).
Chancroid
A sexually transmitted infection (STI) caused by the bacterium Haemophilus ducreyi. Periodic outbreaks of chancroid have occurred in the US, usually in minority populations in the inner cities. This disease is common in sub-Saharan Africa…
Read the definitionRandom terms
Show more- Melanoma, uveal See: Intraocular melanoma
- Hemophilia A group of inherited bleeding disorders in which the ability of blood to clot is impaired. See: Hemophilia A…
- Rhinophyma Pronounced (ryno-fee-ma), a bulbous enlarged red nose and puffy cheeks (like those of the old comedian W.C…
- Ullrich congenital muscular dystrophy A disorder evident at birth characterized by muscle weakness, contractures of multiple joints, and…
- LDL (low-density lipoprotein) A molecule that is a combination of lipid (fat) and protein. Lipoproteins are the form in which lipids are…
- Rasmussen syndrome A brain disorder caused by inflammation of brain cells in one hemisphere. Its cause is unknown. Rasmussen…
- Fuchs endothelial corneal dystrophy See: Corneal dystrophy, Fuchs endothelial
- Amalgam In dentistry, an alloy of mercury, silver, tin, etc. used in dental restorations
- Feces The medical and scientific term for the 'excrement discharged from the intestines.' The word 'feces' (or its…
- Plaque psoriasis The most common form of psoriasis -- about 80% of people with psoriasis have this type. Plaque psoriasis can…
- Restriction map An array of sites in DNA susceptible to cleavage by diverse restriction enzymes
- Bypass, cardiopulmonary Bypass of the heart and lungs as, for example, in open heart surgery. Blood returning to the heart is…