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).
Electroconvulsive therapy
Electroconvulsive therapy: A procedure in which an electric current is passed through the brain to produce controlled convulsions (seizures) to treat patients with depression, particularly for those who cannot take or are not responding to…
Read the definitionRandom terms
Show more- Fusospirochetal gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Sac, egg See: Egg sac
- HT1A See: 5-HT1A
- Tonsils Small masses of lymphoid tissue at the back of the throat, on either side of the throat
- Decubitus Lying down. A decubitus ulcer is a bed sore, the consequence of lying in one position too long. The Latin…
- Prelingual Before the development of speech and language. 'She showed that in prelingually deaf people (that is, those…
- Cranial A genetic (inherited) disorder of bone development characterized by: 1. Typical cranial and facial…
- Surgery, stereotactic Surgery in which a system of three- dimensional coordinates is used to locate the site to be operated on…
- Corneal abrasion A scratch or scrape on the cornea, the clear front window of the eye that transmits and focuses light into…
- Tricuspid valve One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the…
- Insulin Insulin: A natural hormone made by the pancreas that controls the level of the sugar glucose in the blood…
- Paresis, general A part of late ('tertiary') syphilis a decade or more after the initial infection, due to chronic…