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.
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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).
Albinism, oculocutaneous
An hereditary disorder characterized by deficiency of the pigment melanin in the eyes, skin and hair. The lack of eye pigment causes photophobia (sensitivity to light), nystagmus, and decreased visual acuity. Oculocutaneous albinism is…
Read the definitionRandom terms
Show more- Recommended Daily Allowance Popular name for the Recommended Dietary Allowance (RDA)
- VER Visual evoked response. A type of electrophysiologic retinal testing
- Bursitis, shoulder Inflammation of a bursa of a shoulder joint. A bursa is a fluid-filled sac that functions as a gliding…
- Dopa A precursor (forerunner) of dopamine, a key neurotransmitter (messenger) in the brain. Dopa is used in the…
- Grid, Amsler The normal process of reacting to a loss. The loss may be physical (such as a death), social (such as…
- Eye color The color of the iris. The genetics of eye color are complicated. Eye color is polygenic. It is determined by…
- Fever, Rocky Mountain spotted (RMSF) Fever, Rocky Mountain spotted (RMSF): An acute febrile (feverish) disease initially recognized in the Rocky…
- Ventricular septal defect (VSD) Ventricular septal defect (VSD): A hole in the septum (the wall) between the lower chambers of the heart (the…
- Malignant melanoma See: Melanoma
- Deficiency, iron The most common known form of nutritional disorder in the world, iron deficiency results in anemia because…
- Acid, nucleic One of the molecules in the chromosomes of living cells and viruses that plays a central role in the storage…
- Anti-reflux surgery (fundoplication) A surgical technique that strengthens the barrier to acid reflux when the lower esophageal sphincter does not…