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).
Parasomnia
A sleep disorder in which odd or dangerous events occur that intrude on sleep. The parasomnias include sleep talking, sleepwalking (somnambulism), sleep terrors, REM behavior disorder, and nocturnal dissociative disorder. Sleep talking may…
Read the definitionRandom terms
Show more- Anderson-Fabry disease See: Fabry disease
- Azotemia A higher than normal blood level of urea or other nitrogen containing compounds in the blood. The hallmark…
- Spinal fusion Spinal fusion: A surgical procedure in which two or more of the vertebrae in the spine are united together so…
- Exocrine Pertaining to the secretion of a substance out through a duct. The exocrine glands include the salivary…
- AKU Alkaptonuria
- Regulatory T cell A T cell (T lymphocyte) that regulates the activity of another T cell, usually by suppressing its activity…
- Tuberculosis Tuberculosis: A highly contagious infection caused by the bacterium called Mycobacterium tuberculosis…
- Esophagogastric tamponade A procedure in which a balloon is inflated within the esophagus and stomach to apply pressure on bleeding…
- Rubella immunization The standard MMR vaccine is given to prevent measles, mumps and rubella (German measles). The MMR vaccine is…
- Juvenile Between infantile and adult as, for example, in juvenile rheumatoid arthritis (onset before age 16 years) and…
- Disease, Takayasu See: Takayasu disease
- Alanine An amino acid, one of the 20 building blocks of protein. Alanine is not an 'essential' amino acid. It is not…