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).
Excess selenium
Too much selenium (selenosis) which may cause reversible balding and brittle nails, give a garlic odor to the breath, and cause intestinal distress, weakness and slowed mental functioning. People who chronically consume more than the…
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Show more- Visual acuity test This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart…
- Iniencephaly A rare neural tube defect that combines extreme retroflexion (backward bending) of the head with severe…
- Leu Leucine. See also: Amino acid symbols
- Pleurisy Pleurisy: Inflammation of the pleura, the linings surrounding the lungs. There are two layers of pleura; one…
- Cabbage Soup Diet The Cabbage Soup Diet is a weight loss program designed to be used for seven days with the goal of a rapid…
- Congenital osseus-torticollis syndrome See: Klippel-Feil sequence
- Red cell count The number of red blood cells (RBCs) in a volume of blood. The normal range varies slightly between…
- Paramyxovirus One of a group of RNA viruses that are responsible predominantly for acute respiratory diseases and are…
- Balantidiasis The disease caused by infection with the protozoan parasite Balantidium
- Agonist, LHRH A compound that is similar to LHRH (luteinizing hormone-releasing hormone) in structure and is able to it…
- Autosomal dominant A pattern of inheritance in which an affected individual has one copy of a mutant gene and one normal gene on…
- Radius In anatomy, the radius is the smaller of the two bones on the thumb side of the forearm. (The bigger one is…