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).
Cocaine
The most potent stimulant of natural origin, a bitter addictive anesthetic (pain blocker) which is extracted from the leaves of the coca scrub (Erythroxylon coca) indigenous to the Andean highlands of South America. From the name of the…
Read the definitionRandom terms
Show more- Coinsurance A provision by which the insured individual shares in the cost of certain expenses. The same as co-payment
- Farsightedness Farsightedness: Medically termed hyperopia; the ability to see distant objects more clearly than close…
- Hemorrhoid A dilated (enlarged) vein in the walls of the anus and sometimes around the rectum, usually caused by…
- Birth defect Any defect present in a baby at birth, irrespective of whether the defect is caused by a genetic factor or by…
- Resectable Able to be removed (resected) by surgery
- Tilt-table test Tilt-table test: Tilt-table testing involves placing the patient on a table with a foot-support. The table is…
- Intravenous tension The pressure of the blood within a vein, the venous pressure
- Affinity In immunology, the strength of binding interaction between antigen and antibody molecules
- Stickler syndrome, type I See: Stickler syndrome
- Trunk bones The bones of the human trunk, 51 bones in all, consisting of 26 vertebrae, 24 ribs and the sternum. The 26…
- Akinesia Impaired body movement; without movement (or without much movement). Akinesia is a term used in neurology to…
- Acid, amino One of the 20 building blocks of protein. The sequence of amino acids in a protein and, hence, the function…