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).
Media, contrast
X-ray dyes used to provide contrast, for example, between blood vessels and other tissue. Commonly spoken of as 'contrast.
Read the definitionRandom terms
Show more- Duct A passage or a tube with well-defined walls suitable for the conveyance of air or liquids, as the bile duct…
- Pneumonia, aspiration Inflammation of the lungs due to aspiration (the sucking in of food particles or fluids into the lungs).
- Lichen planus Lichen planus: A common skin disease with small itchy pink or purple spots on the arms or legs. The lesions…
- Michael Stuart Brown See: Brown, Michael Stuart
- Paronychia Inflammation of the folds of tissue surrounding the nail due to infection. The infection may be bacterial…
- Syndrome, Zellweger A genetic disorder, also called the cerebrohepatorenal syndrome, characterized by the reduction or absence of…
- Iritis Inflammation of the iris. The iris is the circular, colored curtain in the front of the visible of the eye…
- Chickenpox vaccination See Chickenpox immunization
- Gyneco- Combining form pertaining to women, as in gynecoid. From the Greek gyno, gynaikos meaning woman
- Daw Abbreviation meaning 'dispense as written.' One of a number of hallowed abbreviations of terms that have…
- Acute phase reactant See: Acute-phase protein
- Vertebrae, sacral There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated…