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- Reflex sympathetic dystrophy (RSD) A condition characterized by diffuse pain, swelling and limitation of movement that follows an injury such as…
- Syndrome, Cockayne See: Cockayne syndrome
- Anthracycline A member of a family of chemotherapy drugs that are also antibiotics. The anthracyclines act to prevent cell…
- Polyp A mass of tissue that develops on the inside wall of a hollow organ, as within the colon or rectum. The word…
- Disease, alveolar hydatid See Nail-patella syndrome.
- Kalemia The presence of potassium in the blood. The word 'kalemia' is seldom used today although it is the basis for…
- Warts, plantar Warts that grow on the soles of the feet. Plantar warts are different from most other warts. They tend to be…
- Gene expression The translation of information encoded in a gene into protein or RNA. Expressed genes include genes that are…
- Anemia Anemia: The condition of having less than the normal number of red blood cells or less than the normal…
- Longitudinal The word come from the Latin longitudo meaning length. Hence, longitudinal means along the length, running…
- Sydenham chorea An acute neurologic disorder that emerges several months following a streptococcal ('strep') infection, most…
- Digital rectal exam ): An exam to detect abnormalities that can be felt (palpated) from within the rectum. The doctor inserts a…