MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Refraction test
Also termed vision test, the refraction test is an examination that tests an individual's ability to see an object at a specific distance. The test is performed by an optometrist or ophthalmologist in the doctor's office. The refraction…
Read the definitionRandom terms
Show more- Radiologic Having to do with radiology.
- Cerebral arterial gas embolism (CAGE) Gas bubbles traveling and lodging (embolizing) in the arteries that supply the brain with blood (and oxygen)…
- Malaria Malaria: An infectious disease caused by protozoan parasites from the Plasmodium family that can be…
- Utility In the analysis of health outcomes, utility is a number between 0 and 1 that is assigned to a state of health…
- Mental retardation and clasped thumbs A syndrome with the following characteristic features:(1) Neurological: Mental retardation and aphasia (lack…
- Iridectomy The process of making a hole in the iris by surgically removing a full-thickness piece from the iris
- Prostaglandin F2-alpha One of the prostaglandins, a group of hormone-like substances that participate in a wide range of body…
- Placenta percreta A placenta that invades the uterine wall. In placenta percreta, the vascular processes of the chorion (the…
- Gene, housekeeping See: Housekeeping gene
- Brushfield's spots Speckled iris. Little white spots that slightly elevated on the surface of the iris arranged in a ring…
- Parasitic Having to do with a parasite, as in a parasitic infection; or acting like a parasite by taking nourishment…
- Familial hypertrophic cardiomyopathy A genetic disorder of the heart characterized by increased growth (hypertrophy) in thickness of the wall of…