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).
Helminth
A worm classified as a parasite. (A parasite is a disease-causing organism that lives on or in a human or another animal and derives its nourishment from its host.) Lice are examples of parasites that live on humans; bacteria and viruses…
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Show more- Dystonia, idiopathic torsion A form of dystonia known as early-onset torsion dystonia (also called generalized torsion dystonia) begins in…
- Renal cell carcinoma Cancer that develops in the lining of the renal tubules, which filter the blood and produce the urine. Also…
- Shield, nipple See: Nipple shield
- Faciodigitogenital dysplasia See: Aarskog-Scott syndrome
- Injury, mower See: Mower injury
- Perionychia An inflammation of the folds of tissue surrounding the nail due to infection. The infection may be bacterial…
- Ab- Prefix meaning 'from, away from, off' as in abduction (movement of a limb away from the midline of the body)…
- Whooping cough Also known as pertussis, this is a feared infectious disease that can strike the respiratory system and…
- Cancer, oral Cancer of the mouth area. A sore in the mouth that does not heal can be a warning sign of oral cancer. A…
- Sweet wormwood A Chinese herb (also called qinghaosu) from which is extracted the antimalarial agent artemisinin
- Fever, jail See: Typhus, epidemic
- Salaam In a medical context, a seizure that looks like a sudden deep bow from the waist. Salaam seizures are…