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).
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- RNAi Abbreviation for RNA interference. See RNA interference
- Lung cancer, familial Lung cancer that recurs in families. Lung cancer can occur sporadically in people with no known family…
- Depo-Provera contraceptive Injectable progestin (Depo-Provera) was approved by the U.S. Food and Drug Administration (FDA) for…
- Nervous system, parasympathetic A part of the nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes…
- Erythema A redness of the skin resulting from inflammation, for example, as caused by sunburn
- Selenium An essential trace mineral that functions largely in the form of proteins, called selenoproteins, which act…
- Errors of metabolism, inborn Heritable (genetic) disorders of biochemistry. Examples of inborn errors of metabolism include albinism…
- Skin calipers A simple method for determining the lean body mass. This method involves measuring the skinfold thickness of…
- PTHC (percutaneous transhepatic cholangiography) See: Cholangiography, percutaneous transhepatic
- Trauma center A specialized facility in a hospital that is designed to provide diagnostic and treatment services for trauma…
- Nominal aphasia See Anomia
- Wegener's granulomatosis Wegener's granulomatosis: An uncommon type of inflammation of small arteries and veins (vasculitis) that…