MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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.
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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).
Histiocytosis X
Now called Langerhans cell histiocytosis. This disease is subclassified into eosinophilic granuloma, Letterer Siwe disease, and Hand-Schuller-Christian disease
Read the definitionRandom terms
Show more- Secondary amenorrhea The abnormal cessation of menstruation. Amenorrhea is conventionally divided into primary and secondary…
- Seizure, centrencephalic See: Grand mal
- Multiple personality disorder A neurosis in which the personality becomes dissociated into two or more distinct parts each of which becomes…
- Saffir-Simpson hurricane scale A 1-5 rating based on the hurricane's present intensity. This scale is used to give an estimate of the…
- Seizure, myoclonic See: Myoclonic seizure
- Hexalen Brand name of altretamine. For more information, see: altretamine
- Angiostrongylus infection Also called angiostrongyliasis. See: Angiostrongyliasis
- LDL (low-density lipoprotein) A molecule that is a combination of lipid (fat) and protein. Lipoproteins are the form in which lipids are…
- Syndrome, Asperger See: Asperger syndrome
- Atrophy Wasting away or diminution. Muscle atrophy is wasting of muscle, decrease in muscle mass. A nerve can also…
- Kartagener syndrome A genetic syndrome characterized by sinusitis, bronchiectasis (widening and inflammation of the bronchi)…
- Gleason score A grading system for prostate carcinoma devised by Dr. Donald Gleason in 1977 as a method for predicting the…