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).
Cancer, colon
A malignancy that arises from the inner lining of the colon. Most, if not all, of these cancers develop from colonic polyps. Removal of these precancerous polyps can prevent colon cancer. Colon polyps and early colon cancers cause no signs…
Read the definitionRandom terms
Show more- Synaptic cleft The tiny space between two nerve cells across which the neurotransmitter acetylcholine diffuses
- Dia- Prefix taken straight from the Greek meaning 'through, throughout, completely' as in diachronic, diagnosis…
- Skittling Street name for the high produced by abuse of the drug dextromethorphan
- Eye, no Also called anophthalmia, a congenital malformation (birth defect) of the globe. Anophthalmia refers…
- Pouch of Douglas >Culdoscopy, the introduction of an endoscope through the vagina into the cul-de-sac; >Culdoscope, the…
- Ophthalmopathy Any eye disease. External ophthalmopathy may refer to any disease of the eyelid, cornea, conjunctiva, or eye…
- Shock, anaphylactic A life-threatening allergic reaction characterized by a swelling of body tissues including the throat…
- Intravenous (IV) 1) Into a vein. Intravenous (IV) antibiotics are a solution containing antibiotics that is administered…
- Organic brain syndrome Psychiatric or neurological symptoms, including problems with attention, concentration, and memory…
- Flesh-eating bacteria A popular media term for a type of strep bacteria (group A streptococcus) which rapidly destroys tissue and…
- Micro-RNA A tiny piece of RNA, about 21 to 23 bases in length, that binds to matching pieces of messenger RNA to make…
- Cold sore A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…