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).
Sigmoidoscopy, flexible
Inspection of the inside of the rectum and lower part of the colon using a thin flexible lighted tube (a flexible sigmoidoscope). This procedure may be done to find the cause of diarrhea, constipation, abdominal pain, intestinal bleeding…
Read the definitionRandom terms
Show more- Tachycardia, ventricular An abnormally rapid heart rhythm that originates from a ventricle, one of the lower chambers of the heart…
- Acute phase protein See: Acute-phase protein
- Chromosome duplication Part of a chromosome in duplicate. A particular kind of mutation involving the production of one or more…
- Premacular fibrosis See: Macular pucker
- Silver A metal used in some medications and in many 'natural' remedies, as well as in silver amalgam for filling…
- Stroke, silent Small strokes that do not cause any symptoms. Silent strokes still damage brain tissue. The most common…
- Hospice A program or facility that provides special care for people who are near the end of life and for their…
- Subluxation Partial dislocation of a joint. A complete dislocation is a luxation
- GD Gaucher's disease
- Juvenile retinoschisis A genetic disease of the eye characterized by retinoschisis (splitting of the retina) symmetrically involving…
- Weighing, underwater See: Underwater weighing
- Bowen disease An early stage of skin cancer. Bowen's disease is medically the same as 'squamous cell carcinoma in situ.'…