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).
Syndrome, Gelineau
A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Named for a French neurologist, JBE Gelineau (1859-1906). Also known as narcolepsy. The disorder is often associated with cataplexy (a sudden loss of…
Read the definitionRandom terms
Show more- Sylvius, aqueduct of A canal that communicates between the third and fourth ventricles in a system of four communicating cavities…
- Contraceptive, injectable progestin Injectable progestin (Depo-Provera) was approved by the U.S. Food and Drug Administration (FDA) for…
- Antimicrobial drug A drug used to treat a microbial infection. 'Antimicrobial' is a general term that refers to a group of drugs…
- Allelic Pertaining to an allele, an alternative form of a gene. A single allele is inherited from each parent
- Cachexia Physical wasting with loss of weight and muscle mass caused by disease. Patients with advanced cancer, AIDS…
- Aggressive angiomyxoma A slow-growing tumor of stromal cells which occurs primarily in the genital and pelvic regions. This tumor is…
- Parasitic Having to do with a parasite, as in a parasitic infection; or acting like a parasite by taking nourishment…
- Hiatal Pertaining to an hiatus, an opening. An hiatal hernia occurs when a part of the stomach protrudes through the…
- Cardiac stress testing, exercise The exercise cardiac stress testing (ECST) is the most widely used cardiac (heart) screening test. The…
- Medicaid State programs of public assistance to persons regardless of age whose income and resources are insufficient…
- Craniotomy A surgical operation in which an opening is made in the skull.
- Anesthetic, general An anesthetic that puts the person to sleep