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).
HEPA
Acronym that stands for High-Efficiency Particulate Air and for High-Efficiency Particulate Arrestor. HEPA filters are used for isolation and immunocompromise units, operating rooms, removal of allergens from the air (for hay fever…
Read the definitionRandom terms
Show more- Proband The family member through whom a family's medical history comes to light. For example, a proband might be a…
- Fire ants Originally from S. America. Among the worst insect pests ever to invade the US. Red or yellowish ants of…
- Reflux laryngitis Reflux laryngitis: Inflammation of the voice box (the larynx) caused by stomach acid backing up into the…
- Temporal-lobe epilepsy Epilepsy that is characterized by abnormal electrical activity in the temporal lobe of the brain. This…
- CHF Congestive heart failure
- Mononeuritis Inflammation of a single nerve. There are many causes of mononeuritis including diabetes mellitus, carpal…
- SDF-1 An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Retrovirus An RNA virus (a virus composed not of DNA but of RNA). Retroviruses have an enzyme called reverse…
- Extension The process of straitening or the state of being strait. Extension of the hip and knee joints is necessary to…
- Developmental disorder One of several disorders that interrupt normal development in childhood. They may affect a single area of…
- Premature ventricular contraction PVC. A contraction of the lower chambers of the heart, the ventricles, which occur earlier than usual…
- Tattoos & permanent makeup The intradermal application of inks for the purpose of tattooing or permanent makeup (also known as…