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).
Sympathetic ophthalmia
An autoimmune eye disease in which a penetrating injury to one eye produces inflammation in the uninjured eye. (The injured eye is termed the 'exciting' eye while the uninjured one is the 'sympathetic' eye.) The original eye injury always…
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Show more- Spastic colitis A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Echovirus A group of viruses found in the gastrointestinal tract. The 'echo' part of the name stands for enteric…
- NCCS National Coalition for Cancer Survivorship
- Squamous intraepithelial lesion A general term for the abnormal growth of squamous cells on the surface of the cervix. The changes in the…
- Vulnerary (Plural = vulneraries). A remedy used in healing or treating wounds. Any preparation, plant or drug used in…
- Stroke Stroke: The sudden death of some brain cells due to a lack of oxygen when the blood flow to the brain is…
- Acuity, visual The clarity or clearness of the vision, a measure of how well a person sees. The ability to distinguish…
- Ed Lewis Estimated date of confinement, the estimated calendar date when the baby will be born.
- Oliver Wendell Holmes, Sr. See: Holmes, Oliver Wendell, Sr.
- Fusiform Formed like a spindle, wider in the middle and tapering toward the ends. An aneurysm may be fusiform. The…
- Leper 1. Someone with leprosy (Hansen disease). The term leper is now in disfavor. 2. By extension, a pariah. A…
- Sand-blind Partly blind, semi-blind, half-blind. From the Old English samblind from sam- meaning semi- + blind. In the…