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).
Prescription drug
A drug requiring a prescription, as opposed to an over-the-counter drug, which can be purchased without one. The word 'prescription' comes from the Latin 'praescriptus' compounded from 'prae', before + scribere, to write = to write before…
Read the definitionRandom terms
Show more- Mg Abbreviation for milligram, a unit of measurement of mass in the metric system equal to a thousandth of a…
- Grief, unresolved See: Complicated grief
- IFA Indirect immunofluorescence assay
- Jurisprudence, medical See: Medical jurisprudence
- Cancer, rectal See: Rectal cancer
- Hyperopia Farsightedness; the ability to see distant objects more clearly than close objects. Hyperopia may be…
- Copy number polymorphism Abbreviated CNP. A normal variation in DNA due to variation in the number of copies of a sequence within the…
- Skull The skull is a collection of bones which encase the brain and give form to the head and face. The bones of…
- Temple An area just behind and to the side of the forehead and the eye, above the side of the check bone (the…
- Hepatic artery See: Liver biopsy.
- Silent stroke Stroke: Small strokes that do not cause any symptoms. Silent strokes still damage brain tissue. The most…
- Tooth and nail syndrome A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…