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).
A-
See: A-
Read the definitionRandom terms
Show more- Alprazolam Alprazolam: A benzodiazepine sedative that causes dose-related depression of the central nervous system…
- Morton toe See: Morton's syndrome
- Hypoglossal nerve The hypoglossal nerve is the twelfth cranial nerve. The twelve cranial nerves, the hypoglossal nerve…
- Holter monitor A type of portable heart monitor. The Holter monitor is a small portable electrocardiogram (ECG). The device…
- Ankylosing spondylitis Ankylosing spondylitis: A type of arthritis that causes chronic inflammation of the spine and the sacroiliac…
- Cathexis In psychiatry, the concentration of psychic energy on an idea, object, or other object
- Spasticity A state of increased tone of a muscle (and an increase in the deep tendon reflexes). For example, with…
- Heritability The degree to which something is inherited.
- Inherited metabolic diseases Also called inborn errors of metabolism, these are heritable (genetic) disorders of biochemistry. Examples…
- Reporting, unique identifier In public health, a system that uses information such as the person's birth date and part of their…
- Spasm, coronary artery See: Coronary artery spasm
- Disease, new variant Creutzfeldt-Jakob Abbreviated nvCJD. A human disease thought due to the same infectious agent as bovine spongiform…