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).
X-ray, AP
An X-ray picture in which the beams pass from front-to-back (anteroposterior). An AP film is as opposed to a PA (posteroanterior) film in which the rays pass through the body from back-to-front
Read the definitionRandom terms
Show more- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)
- Radioiodine An isotope of the chemical element iodine that is radioactive. Radioiodine is used in diagnostic tests as…
- Alpha-ethltryptamine An illicit hallucinogenic drug related to tryptamine. Street names for alpha-ethyltryptamine include…
- Mastocytoma A form of mastocytosis characterized by a benign nodular skin tumor infiltrated by mast cells. Usually…
- Dystonia, Segawa Dystonia, Segawa: An important variant form of dopa-responsive dystonia (DRD). DRD typically begins in…
- Shunt, transjugular, intrahepatic, portosystemic A shunt that drains fluid from the cerebral ventricle into the abdomen.
- Reverse genetics In classic genetics, the traditional approach was to find a gene product and then try to identify the gene…
- Duodenum The first part of the small intestine. The duodenum extends from the pylorus at the bottom of the stomach to…
- Lithotomy Surgical removal of a stone, especially a kidney or bladder stone. From the Greek roots litho-, stone + tome…
- Polio vaccine, Sabin The oral polio vaccine (OPV) developed by the Polish-born American microbiologist Albert Sabin (1906-93)
- Cardiology The study and treatment of heart disorders
- Symptomatic treatment Therapy that eases the symptoms without addressing the basic cause of the disease. For example, symptomatic…