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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
GALT deficiency
Lack of the enzyme called GALT (galactose-1-phosphate uridyl transferase) which causes the genetic metabolic disease galactosemia, one of the diseases in many newborn screening panels. The disease can be fatal, if undetected. If detected…
Read the definitionRandom terms
Show more- Cinacalcet A drug that acts as a calcimimetic and that is marketed under the trade name Sensipar. For more information…
- Beryllium A toxic metal found in ores containing other elements that is used in making metal alloys for nuclear…
- Bowel Another name for the intestine. The small bowel and the large bowel are the small intestine and large…
- Antibody An immunoglobulin, a specialized immune protein, produced because of the introduction of an antigen into the…
- Headache, hypnic See: Hypnic headache
- Periaortic Around the aorta. The aorta is the great artery that comes from the left ventricle of the heart and delivers…
- Familial advanced sleep-phase syndrome (FASPS) An inherited abnormal sleep pattern in which the individual is a 'morning lark' and consistently goes to…
- Thrombosis The formation or presence of a blood clot in a blood vessel. The vessel may be any vein or artery as, for…
- Shy-Drager syndrome A mysterious progressive disorder of the central and sympathetic nervous systems, also called multiple system…
- Vascular endothelial growth factor (VEGF) A substance made by cells that stimulates new blood vessel formation, a mitogen for vascular endothelial…
- Quadriparesis Weakness of all four limbs, both arms and both legs, as for example from muscular dystrophy.
- Bed blocker See: Bed blocker