MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Crohn ileitis
Inflammation of the ileum (the farthest segment of the small intestine) due to Crohn disease. Crohn disease is a chronic inflammatory disorder, primarily involving the small and large intestine, but which can affect other parts of the…
Read the definitionRandom terms
Show more- Ultrasound/Ultrasonography A test in which high-frequency sound waves (ultrasound) are bounced off tissues and the echoes are converted…
- Cyclic citrullinated peptide A circular peptide containing the amino acid citrulline. Abbreviated CCP. Autoantibodies directed against CCP…
- Memory, explicit See: Explicit memory
- Chronic bacterial prostatitis Prostatitis: Longstanding bacterial infection of the prostate gland superimposed on a defect in the prostate…
- Tranquilizer In pharmacology, a drug that calms and relieves anxiety. The first tranquilizer, chlordiazepoxide…
- Pellagra >Diarrhea; >Dermatitis: A scaly rash on skin exposed to light or trauma; >Dementia: Mental disorientation…
- Saccadic movement See: Saccade
- Cellophane maculopathy See: Macular pucker
- Cystitis, interstitial (IC) Disease that involves inflammation or irritation of the bladder wall. This inflammation can lead to scarring…
- Antihistamines Drugs that combat the histamine released during an allergic reaction by blocking the action of the histamine…
- Syndrome, trisomy 21 A common chromosome disorder, often called Down syndrome, due to an extra chromosome number 21 (trisomy 21)…
- Aspiration, fine needle See Fine needle aspiration