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).
Cardiac conduction system
The electrical conduction system that controls the heart rate. This system generates electrical impulses and conducts them throughout the muscle of the heart, stimulating the heart to contract and pump blood. Among the major elements in…
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Show more- STL2 Stickler syndrome, type II. See: Stickler syndrome
- Fracture, stress A fracture caused by repetitive stress, as may occur in sports, strenuous exercise, or heavy physical labor…
- Equinophobia An abnormal and persistent fear of horses. Sufferers of equinophobia experience undue anxiety even when a…
- Isotope A form of a chemical element with the same atomic number as another element but having a different atomic…
- Hand, foot, and mouth disease A common illness of infants and children under 10 years old characterized by fever, sores in the mouth, and a…
- Bradykinetic Pertaining to slowed ability to start and continue movements, and impaired ability to adjust the body's…
- Osteitis deformans Better known today as Paget disease, this is a chronic bone disorder that typically results in enlarged…
- Valve, pulmonary One of the four valves in the heart, the pulmonary valve stands at the opening from the right ventricle in…
- Syndrome, Reye A sudden, sometimes fatal, disease of the brain (encephalopathy) with degeneration of the liver, occurs in…
- Hendra virus A virus, formerly called equine morbillivirus, that can cause illness in horses and humans. First identified…
- Therapy, salvage See: Salvage therapy
- Biofluid A biological fluid. Biofluids can be excreted (such as urine or sweat), secreted (such as breast milk or…