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).
Sixth disease
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- BTE Behind-the-ear. See also: Behind-the-ear hearing aid
- Blood sugar, high An elevated level of the sugar glucose in the blood. Also called hyperglycemia. High blood sugar is a finding…
- Breast cancer gene BRCA1 A gene that normally acts to restrain the growth of cells in the breast but, when mutated, predisposes to…
- Achalasia Our Achalasia Main Article provides a comprehensive look at the who, what, when and how of Achalasia…
- Dysentery, amebic Dysentery (inflammation of the intestine) with ulcers in the colon due to infection with an ameba (Entamoeba…
- Genome Database The Genome Database (GDB) is the official central repository for genomic mapping data resulting from the…
- Learning problem See: Learning disability
- Fingers, six The presence of an extra finger, a very common congenital malformation (birth defect). This condition is…
- Bursal Pertaining to a bursa
- Tranquilizer In pharmacology, a drug that calms and relieves anxiety. The first tranquilizer, chlordiazepoxide…
- OR (abbreviation) Stands for 'operating room'. A facility equipped for performing surgery. OR is sometimes written O.R.
- Inherited metabolic diseases Also called inborn errors of metabolism, these are heritable (genetic) disorders of biochemistry. Examples…