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).
XRT
Medical abbreviation for radiotherapy
Read the definitionRandom terms
Show more- Niemann-Pick disease type A The classical infantile form of the disease. See: Niemann-Pick disease
- Zona pellucida The strong membrane that forms around an ovum as it develops in the ovary. The membrane remains in place…
- Valsalva 1. The Valsalva maneuver in which a person tries to exhale forcibly with a closed glottis (windpipe) so that…
- Nose, runny Rhinorrhea is the medical term for this common problem. From the Greek words 'rhinos' meaning 'of the nose'…
- Aortic arch syndrome 1. Any disorder that causes occlusion of the arteries that arise from the aortic arch. 2. Synonym for…
- Particle, alpha A tiny mass of material composed of two protons and two neutrons. Alpha particles do not travel very far from…
- Syndrome, Wolff-Parkinson-White A condition caused by an abnormality in the electrical system of the heart which normally tells the heart…
- Gastroesophageal Pertaining to both the stomach and the esophagus, as in the gastroesophageal junction, the place where the…
- Pressure, low blood Any blood pressure that is below the normal expected for an individual in a given environment. Low blood…
- Renal Fanconi syndrome Failure of the tubules in the kidney to reabsorb small molecules, causing increased urinary loss of…
- Test, carcinoembryonic antigen See: Carcinoembryonic antigen
- Wart, venereal The same as a genital wart, a wart that is confined primarily to the moist skin of the genitals. These warts…