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).
OTC (over-the-counter)
Available without a prescription. OTC drugs are available without a prescription, simply 'over the counter.' OTC drugs are in contrast to prescription drugs that require a doctor's order.
Read the definitionRandom terms
Show more- Scientist, medical See: Medical scientist
- Designer estrogen An engineered drug that possesses some, but not all, of the actions of estrogen. Designer estrogens are…
- Adam A street name for 3-4 methylenedioxymethamphetamine. See: Ecstasy
- Cholesterol, 'good' High-density lipoprotein (HDL) cholesterol
- Translation To go from RNA to protein, translation is needed. Translation is the process by which the genetic code…
- Silent stroke Stroke: Small strokes that do not cause any symptoms. Silent strokes still damage brain tissue. The most…
- Leukemia, acute nonlymphocytic Leukemia, acute nonlymphocytic: Abbreviated ANLL. More commonly called acute myeloid leukemia (AML). A…
- Rib >True ribs: The first seven ribs attach to the sternum (the breast bone) in the front and are known as true…
- Colonoscopy, virtual See: Virtual colonoscopy
- Multidetector-row computed tomography See: Multidetector computed tomography
- Errors of metabolism, inborn Heritable (genetic) disorders of biochemistry. Examples of inborn errors of metabolism include albinism…
- AC Abbreviation for a.c. (ante cibum on a prescription); acromioclavicular (shoulder joint); antecubital (crook…