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).
Nomenclature of diseases
See: Disease nomenclature
Read the definitionRandom terms
Show more- Multiple sclerosis Multiple sclerosis: Abbreviated MS. A disease of the central nervous system (CNS) marked by numbness…
- LSCS Lower segment Cesarian section. A Cesarian section in which the surgical incision (cut) is made in the lower…
- Pulmonary hypertension Pulmonary hypertension: High blood pressure in the pulmonary artery that conveys blood from the right…
- Fever with renal syndrome, hemorrhagic A set of diseases, also known as hemorrhagic fever, characterized by the abrupt onset of high fever and…
- Rib, floating One of the last two ribs. A rib is said to be 'floating' if it does not attach to the sternum (the breast…
- Sludge, biliary A mixture of microscopic particulate matter in bile that occurs when particles of material precipitate from…
- Affective disorder, seasonal (SAD) Depression that tends to occur (and recur) as the days grow shorter in the fall and winter. It is believed…
- Conditioning, Pavlovian Named after the Russian physiologist Ivan Petrovich Pavlov (1848-1936) who conditioned dogs to respond in…
- Litmus A pigment used as a test for acidity and alkalinity. Litmus paper turns red in acid and blue in an alkaline…
- Petit mal A form of epilepsy with very brief, unannounced lapses in consciousness. A petit mal seizure involves a brief…
- Genome, Drosophila See: Drosophila genome
- Laryngeal nerve palsy Paralysis of the larynx (voice box) caused by damage to the recurrent laryngeal nerve or its parent nerve…