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).
Angle-closure glaucoma, acute
Increased pressure in the front chamber (anterior chamber) of the eye due to sudden (acute) blockage of the normal circulation of fluid within the eye. The block takes place at the angle of the anterior chamber formed by its junction of…
Read the definitionRandom terms
Show more- Gooseflesh A temporary local change in the skin when it becomes rougher due to erection of little muscles, as from cold…
- Syndrome, Hurler An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which…
- GLA 1. Alpha-galactosidase A, the enzyme that is deficient in Fabry disease.2. Gamma-linolenic acid, an essential…
- Cotinine The major metabolite (breakdown product) of nicotine. Exposure to nicotine can be measured by analyzing the…
- Rheumatic heart disease Heart damage caused by rheumatic fever. Treatment is by preventing reinfection with strep and by treating…
- Mammaplasty, reduction See: Breast reduction
- Dystonia, focal, due to torticollis See: Focal dystonia due to torticollis
- Lanugo Downy hair on the body of the fetus and newborn baby. It is the first hair to be produced by the fetal hair…
- Arthropathy Joint disease. The term arthropathy does not specify the type of joint disease. It might be osteoarthropathy…
- Therapy, fever Fever: Using abnormal elevations in body temperature as a tool to treat disease. This was done in the past by…
- Acuity, visual The clarity or clearness of the vision, a measure of how well a person sees. The ability to distinguish…
- Cyst, Meibomian See: Meibomian cyst