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).
Ullrich congenital muscular dystrophy
A disorder evident at birth characterized by muscle weakness, contractures of multiple joints, and hyperextensibility (looseness) of joints, particularly distal joints (well away from the trunk). The muscle weakness progresses slowly and…
Read the definitionRandom terms
Show more- Testosterone A 'male hormone' -- a sex hormone produced by the testes that encourages the development of male sexual…
- Refraction test Also termed vision test, the refraction test is an examination that tests an individual's ability to see an…
- Pregnancy, acute fatty liver The consumption of alcohol during pregnancy carries the danger of damaging the fetus and causing fetal…
- GLA 1. Alpha-galactosidase A, the enzyme that is deficient in Fabry disease.2. Gamma-linolenic acid, an essential…
- Dermatan sulfate An glycosaminoglycan (formerly called a mucopolysaccharide) found mostly in skin but also in blood vessels…
- Single transverse palmar line Simian crease
- Hyperhidrosis, axillary See: Axillary hyperhidrosis
- Contusion Another name for a bruise. What is a bruise ? A bruise, or contusion, is caused when blood vessels are…
- Canker sore Canker sore: A small ulcer crater in the lining of the mouth that is often painful and very sensitive. Also…
- Adrenal failure A condition in which the adrenal glands do not produce enough of the adrenal hormones that control important…
- Immunocompromised Having an immune system that has been impaired by disease or treatment
- Silencing, gene A mechanism by which cells shut down large sections of chromosomal DNA. Gene silencing is done by…