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.
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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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Gamma hydroxybutyrate (GHB)
Known in Europe as Gamma-OH, gamma hydroxybutyrate is a colorless and odorless drug used illicitly for 'recreational' purposes and for 'date rape.' GBH is a central nervous system depressant. It tends therefore to increase sociability and…
Read the definitionRandom terms
Show more- Lipomatosis, multiple symmetric A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper…
- Bulbar Pertaining to a bulb, in medicine any rounded mass of tissue (that is shaped somewhat like a crocus or tulip…
- Sweats, night Severe hot flashes which occur at night and result in a drenching sweat. Night sweats have many possible…
- Major histocompatibility complex See: Permanent makeup.
- Perionychium The tissue surrounding the nail, whether it be a fingernail or a toenail, including the tissue bordering the…
- Magendie, foramen of An opening from the fourth ventricle, which is one in a system of four communicating cavities called…
- RNA, messenger A class of RNA that is the template upon which polypeptides are put together. Abbreviated mRNA
- Trisomy The presence of three copies of a chromosome rather than the normal two. The most common trisomies in…
- Mite A tiny eight-legged creature belonging to the Order Acarina related to spiders and ticks. Some mites live…
- Nexus A connection or link. A causal connection. A connected series. 'Nexus' comes from the Latin 'nectere' meaning…
- Cardiomyopathy Disease of the heart muscle (the myocardium). From the Greek roots: 'cardio-', heart + 'mys', muscle +…
- Hypnic 1. Inducing sleep. 2. Pertaining to sleep. A hypnic jerk is a sleep start or jerk. From the Greek hypnikos…