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).
Galactosemia
A genetic metabolic disease in which there is a defect in the body's ability to use the sugar galactose. In classic galactosemia, the basic defect is a deficiency of the enzyme known as GALT (galactose-1-phosphate uridyl transferase). This…
Read the definitionRandom terms
Show more- Cancer, colon A malignancy that arises from the inner lining of the colon. Most, if not all, of these cancers develop from…
- Sense-strand RNA virus See: Positive-strand RNA virus
- Breastfeeding practices The practices to be followed in breastfeeding a baby. Human milk is the preferred feeding for all infants…
- Morton's disease See: Morton's neuroma
- Medulla The innermost part. The adrenal medulla is the innermost part of that gland. The renal medulla is the inner…
- Syncope, heat Sudden dizziness or fainting experienced after exercising in the heat. The skin appears pale and sweaty but…
- Fred L. Soper See: Soper, Fred L.
- Recombinant DNA technology A series of procedures used to join together (recombine) DNA segments. A recombinant DNA molecule is…
- DM2 Myotonic dystrophy type 2. See also: Myotonic dystrophy
- Iatrogenic Due to the action of a physician or a therapy the doctor prescibed. An iatrogenic disease may be…
- Glaucoma, normal pressure See: Glaucoma, normal tension
- XXXX syndrome A chromosome disorder in females caused by the presence of four X chromosomes rather than the usual two. The…