MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Otic barotrauma
Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems include ear pain, ringing, diminished hearing and, sometimes, dizziness. Also known as aerotitis: aerotitis media, barotitis…
Read the definitionRandom terms
Show more- Nervous system, sympathetic A part of the nervous system that accelerates the heart rate, constricts blood vessels, and raises blood…
- Aspartame A man-made sweetener with almost no calories used in place of sugar. A diet program with aspartame and…
- Remodeling, chromatin See: Chromatin remodeling
- Isoprene One of the major components that makes up natural rubber and is used to make synthetic rubbers. It is also…
- R (symbol) This much-used symbol has many meanings in medicine. They include: > >Respiration: a nurse's note of 'R20' is…
- Retinal disease In medicine, called retinopathy. See: Retinopathy
- NIEHS Stands for National Institute of Environmental Health Sciences, one of the National Institutes of Health in…
- Enzymes Proteins that act as a catalysts in mediating and speeding a specific chemical reaction. In 1902 Archibald…
- Dislocated shoulder See: Shoulder dislocation
- Mastectomy A general term for removal of the breast, usually to remove cancerous tissue. The operation can be done in a…
- Rigour See: Rigor
- Pneumo- Prefix pertaining to breathing, respiration, the lungs, pneumonia, or air