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).
Disease, sixth
A viral disease of infants and young children with sudden onset of high fever which lasts several days and then suddenly subsides leaving in its wake a fine red rash. The causative agent is herpesvirus type 6 so the disease is known as…
Read the definitionRandom terms
Show more- Mittelschmerz The occurrence of symptoms of mania and depression together. A person may feel sad and hopeless while at the…
- Cystic fibrosis A combining form denoting a cell. Derived from the Greek "kytos" meaning "hollow, as a cell or container."…
- Fracture, comminuted A fracture in which bone is broken, splintered or crushed into a number of pieces. NTER> A fracture is a…
- Vaccine, meningococcal A vaccine to prevent meningococcal meningitis, an inflammation of the membranes that cover the brain and…
- Hyposmia A reduced ability to smell and to detect odors. Some people have anosmia and can detect no odors
- Anesthetic, local An anesthetic that causes loss of feeling in a small part of the body
- Constitutional thrombopathy See: Von Willebrand disease
- Syndrome, Landau-Kleffner See Landau-Kleffner syndrome
- Spongiform encephalopathy and cerebral amyloidosis See: Gerstmann-Straussler-Scheinker syndrome
- Midnight children Term applied sometimes to children with xeroderma pigmentosum, a genetic disease with such extraordinary…
- Hurler syndrome An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which…
- Glutathione S-transferase omega-1 An enzyme that remarkably influences the age of onset of symptoms of two common degenerative brain disorders…