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).
Cup, optic
The white, cup-like area in the center of the optic disc. The optic disk is the circular area at the back of the inside of the eye where the optic nerve connects to the retina
Read the definitionRandom terms
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- Pfeiffer syndrome A syndrome of craniosynostosis (premature fusion of the cranial sutures) due to mutation in FGFR (fibroblast…
- BUN Blood urea nitrogen. A measure primarily of the urea level in blood. Urea is cleared by the kidney and…
- Milligray A unit of absorbed radiation equal to 0.001 gray. (A gray is the dose of one joule of energy absorbed per…
- Civilian Health and Medical Program of the Uniform Rvices: See: CHAMPUS
- Infant carbohydrate intake Carbohydrates (glucose, lactose, sucrose, galactose, etc.) are sugars or several sugars linked together…
- Schizotypal personality disorder A type of personality characterized by unusual patterns of speech and behavior and by social withdrawal. See…
- Diverticulum, Meckel's An outpouching of the small bowel. About 1 in every 50 people has a Meckel's diverticulum. It is usually…
- Lindau-von Hippel syndrome See Von Hippel-Lindau syndrome
- Asthma, thermally induced Asthma, thermally induced asthma: Asthma that is 'triggered' by vigorous physical activity. Exercise-induced…
- Mucopolysaccharidosis type VIII DiFerrante syndrome, due to deficiency of the enzyme glucosamine-6-sulfate. See also Mucopolysaccharidosis.
- Inhibin One of two hormones (designated inhibin-A and inhibin-B) secreted by the gonads (by Sertoli cells in the male…