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).
ART (antiretroviral therapy)
Treatment that suppresses or stops a retrovirus. One of the retrovirus is the human immunodeficiency virus (HIV) that causes AIDS. Retroviruses are so named because they carry their genetic information in the form of RNA rather than DNA so…
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Show more- Errors of metabolism, inborn Heritable (genetic) disorders of biochemistry. Examples of inborn errors of metabolism include albinism…
- Ileoscopy Use of a flexible instrument (a 'scope') to examine the ileum which is the lowest part of the small…
- Autoinnoculation Inoculation of a microorganism obtained by contact with a lesion on one's own body, producing a secondary…
- Fire ants Originally from S. America. Among the worst insect pests ever to invade the US. Red or yellowish ants of…
- Water blister A blister with clear watery contents that is not purulent (does not contain pus) and is not sanguineous (does…
- LSD Lysergic acid diethylamide, an hallucinogen. LSD is an abbreviation of the German term…
- Syndrome, Lennox-Gastaut A severe form of epilepsy that usually begins in early childhood and is characterized by frequent seizures of…
- FBLN3 The gene encoding the protein known as fibulin 3. See: Fibulin 3
- Urine pH A measure of the acidity or alkalinity of urine. The pH of any fluid is the measure of the hydrogen ion (H-)…
- Dioxin One of a number of poisonous petroleum-derived chemicals which are produced when herbicides (substances used…
- Acuity, auditory The clarity or clearness of hearing, a measure of how well a person hears and monitoring the ability to hear…
- Sweat test A simple test that is used to evaluate a patient who is suspected of having cystic fibrosis (CF). The goal of…