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).
Disease names
See: Disease nomenclature
Read the definitionRandom terms
Show more- Gastroenterologist A physician who specializes in the diagnosis and treatment of disorders of the gastrointestinal tract…
- Infant, postmature A baby born 2 weeks (14 days) or more after the usual 9 months (280 days) of gestation. The gestation (length…
- Stilling-Turk-Duane syndrome See: Duane syndrome
- Fracture, hangman's See: Hangman's fracture
- Abductor muscle Any muscle used to pull a body part away from the midline of the body. For example, the abductor muscles of…
- Chronic myelocytic leukemia See: Chronic myelogenous leukemia
- Decompression 1. In general, the removal of pressure.2. In surgery, a procedure to remove pressure on a structure, as in…
- Failure, autonomic See: Autonomic failure
- Spinal fusion Spinal fusion: A surgical procedure in which two or more of the vertebrae in the spine are united together so…
- Tricuspid valve One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the…
- Twin, vanishing See: Vanishing twin
- Xenoantigen An antigen that is found in more than one species. An antigen is something that is capable of inducing an…