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).
Arteriogram
An x-ray of blood vessels, which becomes visible after an injection of contrast solution into the circulation that appears on the x-ray film.
Read the definitionRandom terms
Show more- Oat cell cancer A type of lung cancer in which the cells are small, round and resemble oats. Also called small cell lung…
- OS (lens prescription) Abbreviation of 'oculus sinister.' Latin for 'left eye.' By contrast, OD stands for 'oculus dexter' which is…
- Adenomatous polyposis coli See: APC (meaning 3)
- Magic bullet Or, sometimes, silver bullet. 1. The perfect drug to cure a disease with no danger of side effects. The term…
- Perfusion A chemotherapy technique that may be used when melanoma occurs on an arm or leg. The flow of blood to and…
- Serum The clear liquid that can be separated from clotted blood. Serum differs from plasma, the liquid portion of…
- G (drug caution code) Abbreviation on a medication that stands for 'glaucoma' and indicates the medication can cause problems for a…
- Polysomnography Continuous recording of specific physiologic variables during sleep. Polysomnography typically records brain…
- Paget disease A chronic bone disorder that typically results in enlarged, deformed bones due to excessive breakdown and…
- Skin color The color of skin which is complexly determined. Skin color depends on many factors including reddening…
- Psyche 1. The mind.2. The spirit or soul.3. In psychiatry, the mind as the center of thought, emotion, and behavior…
- Nondipper A person in whom there is an absence of the normal nocturnal fall (dip) in blood pressure. Nondipper status…