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).
Dystonia
Dystonia: Involuntary movements and prolonged muscle contraction, resulting in twisting body motions, tremor, and abnormal posture. These movements may involve the entire body, or only an isolated area. Symptoms may even be 'task…
Read the definitionRandom terms
Show more- Sarcoidosis Sarcoidosis: A disease of unknown origin that causes small lumps (granulomas) due to chronic inflammation to…
- Power outage work safety >the hazards of working in heat >simple but effective ways of organizing work assignments and the workplace…
- Pituitary adenoma A benign tumor of the pituitary, the master gland that controls other glands and influences numerous body…
- Lymph node, sentinel The first lymph node ('gland') to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Nurse, licensed vocational A nurse who has completed a one- or two-year training program in health care and earned a state license. LVNs…
- Fauces The throat. The word fauces is the plural of the Latin faux meaning a small passage.
- Jugular vein, internal The deeper of the two jugular veins in the neck that drain blood from the head, brain, face and neck and…
- Miosis Contraction of the pupil. The opposite of mydriasis.
- Gregarious Living in the company of others. A gregarious parasite is one whose nutritional requirements are such that…
- Grand multipara The term 'multipara' applies to any woman who has given birth 2 or more times. A woman who has given birth 5…
- Royal Society, the Nerable scientific society in England which in 1665 published one of the first 2 scientific journals in the…
- Masochism Pleasure from one's own pain. Masochism is considered a sexual disorder, or paraphilia. Named after the…