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).
Hospital code
While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient in cardiopulmonary arrest , requiring a team of providers (sometimes called a 'code team') to rush to the specific location and…
Read the definitionRandom terms
Show more- Meningitis, infectious Meningitis caused by bacterial, viral, or protozoan infection. Most of the agents known to cause meningitis…
- Hereditary ALS See: Familial ALS
- Atherosclerotic Pertaining to atherosclerosis, the process of progressive thickening and hardening of the walls of arteries…
- Pilonidal Refers to an embedded (ingrown) hair or tuft of hair. Literally, a nest of hair. From the Latin pilus…
- Creatine A compound the body synthesizes (makes) and then utilizes to store energy. The storage of energy occurs when…
- DNA (did not attend) In the UK, DNA is an abbreviation for 'did not attend.' (In the US, the term used for a patient who missed an…
- Nocardiosis An infection with bacteria called Nocardia which tend to strike the lungs, brain and skin, particularly in…
- Biosafety The application of knowledge, techniques and equipment to prevent personal, laboratory and environmental…
- Patellofemoral syndrome (PFS) Patellofemoral syndrome (PFS): The commonest cause of chronic knee pain, PFS characteristically causes vague…
- Crohn ileitis Inflammation of the ileum (the farthest segment of the small intestine) due to Crohn disease. Crohn disease…
- Emergency physician A physician focused on the immediate decision making and action necessary to prevent death or any further…
- PCBs PolyChlorinated Biphenyls, a mixture of up to 209 chlorinated chemicals. Although PCBs are no longer produced…