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).
Beta carotene
A vitamin that acts as an antioxidant, protecting cells against oxidation damage. Beta carotene is converted by the body to vitamin A. Food sources of beta carotene include vegetables such as carrots, sweet potatoes, spinach and other…
Read the definitionRandom terms
Show more- Disorder, orgasmic See: Anorgasmia
- Rhinitis Irritation of the nose. Derived from the Greek word rhinos meaning of the nose
- Cuboid bone The cuboid bone is the outer bone in the instep of the foot. It is called the cuboid bone because it is…
- Flutter, atrial Well-organized but overly rapid contractions of the atrium of the heart (usually at a rate of 250-350…
- Down syndrome critical region Down syndrome critical region: (Abbreviated DSCR) A region on the long (q) arm of chromosome 21 thought to be…
- Test, RPR Rapid plasma reagin, a blood test for syphilis that looks for an antibody that is present in the bloodstream…
- BSL-3 Biosafety level 3. A level of biosafety considered appropriate for agents that may be transmitted by the…
- Multidetector CT See: Multidetector computed tomography
- Douche A stream of water directed at any part of the body or any body cavity, often into the vagina, for cleansing…
- Foreskin, inflammation of the Inflammation of the foreskin of the penis (the prepuce) is called posthitis. In the uncircumcised male…
- Glomerulus 1.In the kidney, a tiny ball-shaped structure composed of capillary blood vessels actively involved in the…
- Electronystagmogram A recording of the eye movements, usually done to confirm the presence of nystagmus. Electronystagmogram may…