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).
Infection, rotavirus
Rotavirus: A leading cause of severe winter diarrhea in young children. Each year, rotavirus (RV) causes an estimated 500,000 doctor visits and 50,000 hospital admissions in the United States. Almost every child catches RV before entering…
Read the definitionRandom terms
Show more- Recurrence The return of a sign, symptom or disease after a remission. The reappearance of cancer cells at the same site…
- Mask, oxygen A mask that covers the mouth and nose, and is hooked up to an oxygen tank. It delivers oxygen directly to the…
- Campylobacteriosis Disease caused by Campylobacter jejuni, now the leading cause of bacterial food poisoning, most often spread…
- Bone, sphenoid See; Sphenoid bone
- Chandipura virus A virus that causes fever, symptoms similar to those of flu, and acute encephalitis (inflammation of the…
- Skull The skull is a collection of bones which encase the brain and give form to the head and face. The bones of…
- Virus, lymphadenopathy Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human…
- Helicase An enzyme that unwinds double-strand DNA into two single DNA strands
- Arginine An amino acid, one of the 20 amino acids that serve as the building blocks in protein. Arginine is not an…
- Sodium The major positive ion (cation) in fluid outside of cells. The chemical notation for sodium is Na+. When…
- Annulus A ringlike structure, or any body part that is shaped like a ring. Applied to many small ring-shaped…
- Tropical oil Coconut, palm kernel or palm oil. Like all fats and oils, these three oils contain various types of fatty…