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).
Pandemic
An epidemic (a sudden outbreak) that becomes very widespread and affects a whole region, a continent, or the world. By contrast: > >An epidemic affects more than the expected number of cases of disease occurring in a community or region…
Read the definitionRandom terms
Show more- Magnetic resonance elastography An imaging technique used to measure the elasticity of tissue by gently shaking the tissue in a magnetic…
- Vena cava, inferior A large vein that receives blood from the lower extremities, pelvis and abdomen and empties it into the right…
- Upper motor neuron A neuron that starts in the motor cortex of the brain and terminates within the medulla (another part of the…
- Juvenile polyposis of stomach See: Juvenile polyposis
- Change of life The change of life is the menopause, the time in a woman's life when menstrual periods permanently stop…
- Diabetes, labile A type of diabetes when a person's blood glucose (sugar) level often swings quickly from high to low and from…
- Toll-like receptor 4 TLR4. One in a family of receptors that provide critical links between immune stimulants produced by…
- CXCR4 A chemokine receptor found on a wide variety of cells that serves as the coreceptor for HIV. HIV strains that…
- Estrogen, designer See: Designer estrogen
- Antimicrobial resistance The result of microbes changing in ways that reduce or eliminate the effectiveness of drugs, chemicals, or…
- Test, glucose tolerance A blood test done to make the diagnosis of diabetes mellitus. The test may also be done for other purposes…
- Achilles tendonitis Inflammation of the Achilles tendon, the tough sinew that attaches the calf muscle to the back of the…