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.
- 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).
Spongy degeneration of the central nervous system
Also called Canavan disease, this is a severe progressive fatal inherited (genetic) disorder of the central nervous system (CNS). The signs of Canavan disease usually appear when the children are between 3 and 6 months of age. They include…
Read the definitionRandom terms
Show more- Hypercapnia More than the normal level of carbon dioxide in the blood. Hypercapnia is as opposed to hypocapnia and…
- Temporomandibular joint (TMJ) The joint that hinges the lower jaw (mandible) to the temporal bone of the skull. It is one of the most…
- Transcription Making an RNA copy from a sequence of DNA (a gene). Transcription is the first step in gene expression
- Leaded petrol See: Tetraethyl lead
- Hormone, glucocorticoid A hormone that predominantly affects the metabolism of carbohydrates and, to a lesser extent, fats and…
- Para-esophageal hiatal hernia Hiatal hernias are categorized as being either para-esophageal or sliding. Para-esophageal hernias are…
- Affect The emotional tone a person expresses. A person's affect may be appropriate or inappropriate to the…
- Pinel system The policy of treating the mentally ill in hospitals and other institutions humanely and without the use of…
- Gynecologist A doctor who specializes in treating diseases of the female reproductive organs. The word 'gynecologist'…
- Mucopolysaccharidosis One of a series of inherited metabolic disorders affecting a type of complex carbohydrate called a…
- ACL Anterior cruciate ligament
- Carpal tunnel syndrome Carpal tunnel syndrome: A type of compression neuropathy (nerve damage) caused by compression and irritation…