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).
R (symbol)
This much-used symbol has many meanings in medicine. They include: > >Respiration: a nurse's note of 'R20' is shorthand for 20 respirations (breaths) per minute. >Right: A doctor's note of a burn on the 'R digit 5' places the burn on the…
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Show more- Mitochondrial myopathy A group of neuromuscular diseases caused by damage to the mitochondria, energy-producing structures in cells…
- Arborvirus What's in a name? Although 'arbor' sounds as if it should have something to do with trees, it doesn't. It…
- Carbon monoxide hemoglobin See: Carboxyhemoglobin
- Commotio cordis Sudden cardiac arrest from a blunt, nonpenetrating blow to the chest. The basis of the cardiac arrest is…
- Physicians' Desk Reference A thick volume that provides a guide to all prescription drugs available in the United States. Although not…
- Social phobia Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Paprika A spicy seasoning ground from a variety of sweet red pepper (Capsicum annuum), the original source of vitamin…
- Oxymetholone A male hormone that stimulates production of the male hormone testosterone. It is sometimes given to treat…
- Allopathic medicine The system of medical practice which treats disease by the use of remedies which produce effects different…
- Sequelae See: Sequela
- Renal calculi Kidney stones. A common cause of blood in the urine and pain in the abdomen, flank, or groin. Occurs in 1 in…
- Differentiated cancer Cancer: A cancer in which the cells are mature and look like cells in the tissue from it arose…