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).
Histiocytosis, Langerhans cell
Histiocytosis in which the active histiocytes normally occur in the skin. See histiocytosis.
Read the definitionRandom terms
Show more- Ellis-van Creveld syndrome A type of short stature with striking shortening of the ends of the extremities (arms and legs), polydactyly…
- Abuse, substance See: Substance abuse
- Rheumatoid arthritis, systemic-onset juvenile See: Arthritis, systemic-onset juvenile rheumatoid
- Lipoprotein A complex of lipid and protein, the way lipids travel in the blood. Cholesterol, a building block of the…
- Total parenteral nutrition Intravenous feeding that provides a patient with all of the fluid and the essential nutrients they need when…
- Stone, tonsil A tiny stone (calculus) in the tonsils. These stones, called tonsilloliths, are found within little pockets…
- Skute barbata See: Scutellaria barbata
- Fundoplication A surgical teque that strengthens the barrier to acid reflux when the lower esophageal sphincter does not…
- Seizure, centrencephalic See: Grand mal
- Stricture of the esophagus, chronic A narrowing or closure of the normal opening of the swallowing tube leading to the stomach, usually caused by…
- Gymnophobia An abnormal and persistent fear of nudity. Sufferers of this phobia experience undue anxiety even though they…
- Proinflammatory Capable of promoting inflammation. For example, air pollution may have proinflammatory effects