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).
Fever, dumdum
Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs) due to infection by an agent called Leishmania donovani. Leishmania donovani is transmitted by sandfly bites in parts of Asia…
Read the definitionRandom terms
Show more- Tubal occlusion procedure, selective (STOP) A nonsurgical form of permanent birth control in which a physician inserts a 4-centimeter (1.6 inch) long…
- Circumcision Circumcision: Surgery that removes the foreskin (the loose tissue) covering the glans of the penis…
- Tilt-table test Tilt-table test: Tilt-table testing involves placing the patient on a table with a foot-support. The table is…
- Tissue, connective See: Connective tissue
- Alveolar Pertaining to the alveoli, the tiny air sacs in the lungs. The exchange of oxygen and carbon dioxide takes…
- Catalysis The process by which a substance speeds up a chemical reaction without being consumed or altered in the…
- Diurnal Occurring in the daytime. A patient may have a diurnal fever rather than a nocturnal one. Diurnal also can…
- Juvenile polyposis coli See: Juvenile polyposis
- Mental retardation A syndrome with the following characteristic features: (1) Neurological: Mental retardation and aphasia (lack…
- Grief Therapy for people who have unusually serious grief reactions. The goal of grief therapy is to identify and…
- Ethyl acrylate A substance used in making latex paints and textiles. The US government removed ethyl acrylate from its list…
- Percutaneous transhepatic cholangiography PTCA. The use of a balloon-tipped catheter to enlarge a narrowed artery.