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).
Syndrome, irritable bowel (IBS)
A common gastrointestinal disorder (also called spastic colitis, mucus colitis or nervous colon syndrome), IBS is an abnormal condition of gut contractions (motility) characterized by abdominal pain, bloating, mucous in stools, and…
Read the definitionRandom terms
Show more- Tear film The liquid layer bathing the cornea and conjunctiva. It creates a perfectly smooth liquid outer layer that…
- ALCAM A receptor expressed on T cells which is involved in the adhesion of cells. ALCAM stands for activated…
- Poisoning, cyanide See: Cyanide
- Dermatan sulfate An glycosaminoglycan (formerly called a mucopolysaccharide) found mostly in skin but also in blood vessels…
- Nonalcoholic steatohepatitis Fatty inflammation of the liver in people who do not abuse alcohol. NASH (nonalcoholic steatohepatitis) tends…
- Dyslexia Dyslexia: A specific reading disability due to a defect in the brain's processing of graphic symbols…
- Postulates, Koch's In 1890 the German physician and bacteriologist Robert Koch set out his celebrated criteria for judging…
- Aseptic bursitis Inflammation of a bursa that is not caused by infection. A bursa is a closed fluid-filled sac that functions…
- Mycobacterium A large family of bacteria that have unusually waxy cell walls that are resistant to digestion. The…
- Sinus barotrauma Sinus troubles, particularly with pain and a feeling of pressure, due to changing atmospheric pressures, as…
- Therapy, hormone replacement (HRT) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- Clinical 1. Having to do with the examination and treatment of patients. 2. Applicable to patients. A laboratory test…