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).
Paget disease of the breast
The combination of scaly skin changes of the nipple resembling eczema and an underlying cancer of the breast. The nipple is inflamed because of the presence of Paget's cells. These large irregular cells are themselves not cancerous, but…
Read the definitionRandom terms
Show more- Chest pain Cel ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Chest pain Main…
- Blood draw Removal of blood, usually by venipuncture (phlebotomy, venous blood sampling). Blood draw is a popular term…
- Biliousness A term used in the 18th and 19th centuries pertaining to bad digestion, stomach pains, constipation, and…
- Department of Health and Human Services The United States government's principal agency for 'protecting the health of all Americans and providing…
- Meningococcal vaccine Meningococcal vaccine: A vaccine to prevent meningococcal infection, including meningococcal meningitis, an…
- Cannabinoid receptor 1 One of the two known receptors in the endocannabinoid (EC) system associated with the intake of food and…
- Cidal Suffix indicating killing, as in bacteriocidal (capable of killing bacteria) and in suicidal (the killing of…
- Bell, Charles (1774-1842) Renowned surgeon, anatomist and artist, who discovered Bell's palsy, paralysis of the facial…
- Excessive daytime sleepiness A neurological disorder in which there is a sudden recurrent uncontrollable compulsion to sleep. Excessive…
- Penis, erection of the When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa…
- Gleason score A grading system for prostate carcinoma devised by Dr. Donald Gleason in 1977 as a method for predicting the…
- MPO deficiency Myeloperoxidase deficiency