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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Colonoscope
A flexible, lighted instrument used to view the inside of the colon.
Read the definitionRandom terms
Show more- Economy class syndrome The formation of blood clots in veins deep within the legs -- deep vein thrombosis -- occurring during (or…
- Vaccine, meningococcal A vaccine to prevent meningococcal meningitis, an inflammation of the membranes that cover the brain and…
- Syndrome, Danlos Better known today as Ehlers-Danlos syndrome (EDS), is an inherited disorder with easy bruising, joint…
- Beta carotene A vitamin that acts as an antioxidant, protecting cells against oxidation damage. Beta carotene is converted…
- Acute pancreatitis Sudden inflammation of the pancreas. The pancreas abruptly becomes inflamed and then gets better. Some people…
- Fear of animals An abnormal and persistent fear of animals termed 'zoophobia. A phobia is an unreasonable fear that can cause…
- UNOS Acronym for the United Network for Organ Sharing, the nationwide umbrella for transplantation organ sharing…
- Anterograde memory Loss of short-term memory with retention of memories from the distant past (long-term memory)
- Gene deletion The total loss (or absence) of a gene. Gene deletion plays a role in birth defects and in the development of…
- GOLD The Global Initiative for Chronic Obstructive Lung Disease (GOLD), a collaborative project of the US National…
- Fasciculation Involuntary contractions or twitchings of groups of muscle fibers. Fasciculations can occur in normal…
- Ultrasound, Doppler See: Doppler ultrasound