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).
Amyotrophic lateral sclerosis 2
ALS2. A juvenile-onset form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal recessive manner and caused by mutation in the gene encoding alsin on chromosome 2q33
Read the definitionRandom terms
Show more- Pain, shoulder See: Shoulder pain
- Case-fatality proportion The number of cases of a disease ending in death compared to the number of cases of the disease. Usually…
- Otic barotrauma Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems…
- Prostate cancer gene BRCA2 A gene that normally acts to restrain the growth of cells but which, when mutated, is responsible for a…
- Esophageal reflux A condition wherein stomach contents regurgitate or back up (reflux) into the esophagus (a long cylindrical…
- Computed tomography colography See: Virtual colonoscopy
- Muscle, psoas Muscles of the lower back (the loin). There are two psoas muscles on each side of the back. The larger of the…
- Hydrocephalus Hydrocephalus: Hydrocephalus is an abnormal buildup of cerebrospinal fluid (CSF) in the ventricles of the…
- Epicondylitis Epicondylitis is an inflammation or damage to the area of an epicondyle of bone. An epicondyle is a…
- Itching, anal See: Anal itching
- Cutaneous syndactyly A condition in which fingers or toes are joined together, and the joining involves only the skin, not the…
- Quackery Deliberate misrepresentation of the ability of a substance or device for the prevention or treatment of…