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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Tricuspid
Having three flaps or cusps. The valve that is called the tricuspid valve is situated between the right atrium and right ventricle and permits blood to flow only from the atrium into the ventricle. The aortic valve in the heart also has…
Read the definitionRandom terms
Show more- AMI Acute myocardial infarction. A heart attack. The term 'myocardial infarction' focuses on the heart muscle…
- Peritonitis, chronic Longstanding inflammation of the peritoneum, the membrane lining the inner wall of the abdomen and pelvis…
- Congestive heart failure Congestive heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure…
- Isotonic exercise Exercise when a contracting muscle shortens against a constant load, as when lifting a weight. Isotonic…
- Reaction, allergic A reaction that occurs when the immune system attacks a usually harmless substance (an allergen) that gains…
- Hejama Alternate Arabic term for cupping. The preferred Arabic term for this practice is al-hijamah. See: Cupping
- Klippel-Feil syndrome See: Klippel-Feil sequence
- Ligament, lateral collateral knee The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Abused inhalant >Solvents > >Industrial or household solvents or solvent-containing products, including paint thinners or…
- Cardiomyopathy Disease of the heart muscle (the myocardium). From the Greek roots: 'cardio-', heart + 'mys', muscle +…
- Cortisone An adrenocorticoid hormone, a naturally occurring hormone made by and secreted by the adrenal cortex, the…
- Annotate In genetics, to identify the locations and the coding regions of genes in a genome and determine what those…