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).
Mechanical ventilation
Use of a machine called a ventilator or respirator to improve the exchange of air between the lungs and the atmosphere
Read the definitionRandom terms
Show more- Eyelid myokymia Fine continuous contractions of the eyelid muscle, typically involving one of the lower eyelids, less often…
- Napiform A little-used but useful adjective meaning turnip-shaped. Large and round at the top and tapering down…
- HS Hereditary spherocytosis. HS also stands for half-strength, hamstrings, heart sounds, heparan sulfate, hernia…
- Migraine, common See: Common migraine
- Clinical cytogenetics The application of chromosome studies to clinical medicine. For example, clinical cytogenetic testing is done…
- Hypopnea Literally, underbreathing. Breathing that is shallower or slower than normal. Hypopnea is distinct from apnea…
- Diagnosis, retrospective See: Retrodiagnosis
- Flavivirus encephalitis Encephalitis (inflammation of the brain) due to a flavivirus, a virus transmitted by a mosquito or tick…
- Leishmaniasis Leishmaniasis: Diseases due to the parasite called Leishmania involving the organs (kala-azar) or the skin…
- Urination, painful See: Dysuria
- Spine 1) The column of bone known as the vertebral column, which surrounds and protects the spinal cord. The spine…
- Calcium excess Overly high intake of calcium that can result in elevated levels of calcium in the blood (hypercalcemia)…