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).
Drug Enforcement Administration (DEA)
Every prescription written in the United States bears a DEA number, that of the prescribing doctor, the DEA being the Drug Enforcement Administration of the U.S. Department of Justice. Historically, the DEA's roots go back to the founding…
Read the definitionRandom terms
Show more- Hygiene hypothesis A hypothesis that states that exposure to allergens in the environment early in life reduces the risk of…
- Acute bacterial prostatitis Prostatitis: Inflammation of the prostate gland of sudden (acute) onset due to bacterial infection. The…
- Premature ejaculation Premature ejaculation is ejecting semen from the penis, usually accompanied by orgasm occurring sooner than a…
- Deafness, nonsyndromic A blood clot (thrombus) in a deep vein in the thigh or leg. The clot can break off as an embolus and make its…
- Avian tuberculosis See: Tuberculosis, avian
- PNL (percutaneous nephrolithotripsy) A technique for removing large and/or dense stones and staghorn stones. PNL is done via a port created by…
- Microvascular surgery Surgery on very small blood vessels such as those only 3 to 5 millimeters in diameter. Microvascular surgery…
- Foot-drop brace See Ankle-foot orthosis
- Flatfoot 1. A foot in which the arch of the instep is flattened and the entire sole touches the ground. See…
- Infection The growth of a parasitic organism within the body. (A parasitic organism is one that lives on or in another…
- Hemorrhoids Hemorrhoids: See: Hemorrhoid.
- Disk, intervertebral See: Intervertebral disk