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).
Stress fracture
A fracture caused by repetitive stress, as may occur in sports, strenuous exercise, or heavy physical labor. Stress fractures are especially common in the metatarsal bones of foot, particularly in runners. Osteoporosis increases the…
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Show more- Hydrocarbon An organic compound composed exclusively of hydrogen and carbon. All hydrocarbons have a carbon backbone with…
- Gliosis A process leading to scars in the central nervous system that involves the production of a dense fibrous…
- Urticaria Another name for the hives. Raised, itchy areas of skin that are usually a sign of an allergic reaction…
- Osteogenesis imperfecta type 2 An inherited connective tissue disorder with extremely severe bone fragility. This is the lethal form of…
- Primary liver cancer, adult A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular…
- Primary amyloidosis Amyloidosis: A disorder of plasma cells (special white blood cells that produce antibodies), this is one of a…
- Clay-shoveler's fracture An uncommon breakage of the spine of the vertebrae from the lower neck or upper back as a result of stress…
- Enteritis, Crohn Crohn disease involving only the small intestine. Crohn disease is a chronic inflammatory disorder, primarily…
- Scrub up To wash the hands and forearms very thoroughly, as before surgery. To scrub up implies the use of a brush…
- Biermer's anemia Anemia: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the…
- Reservoir 1. A place where something such as water is kept in reserve.2. The part of a device in which something is…
- Circinate balanitis A form of skin inflammation around the penis in males with Reiter's syndrome. The skin around the shaft and…