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).
Head, optic nerve
The circular area in the back of the inside of the eye where the optic nerve connects to the retina
Read the definitionRandom terms
Show more- Cyclooxygenase Abbreviated cox. See: Cox-1; Cox-2
- Syndrome, chromosome 4 short-arm deletion This syndrome, called the Wolf-Hirschhorn syndrome, is a chromosome disorder due to partial deletion of the…
- Warshaw See: Warshaw, Joseph
- Palm The grasping side of the hand; the flexor surface of the hand. In contrast to the back of the hand, the…
- Fenestration Literally, the making of a window -- fenestra in Latin (and fenetre in French) is a window -- fenestration…
- Th3 A distinct type of T-helper cell. See: T-helper cell
- Eczema, nummular Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be…
- Artery A vessel that carries blood high in oxygen content away from the heart to the farthest reaches of the body…
- Bedsore See: Bed sore
- Race-based medication See: Race-based drug
- Human gene therapy Insertion of normal DNA directly into cells to correct a genetic defect. The treatment of disease by…
- Vesical Refers to the urinary bladder. The word comes from the Latin vesica meaning a bag or bladder