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).
Tophus
A nodular mass of uric acid crystals. Tophi are characteristically deposited in different soft tissue areas of the body in gout. The word tophus comes via Latin from the Greek tophos meaning a porous volcanic stone. In chronic (tophaceous)…
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Show more- Kalemia The presence of potassium in the blood. The word 'kalemia' is seldom used today although it is the basis for…
- Idiocy, amaurotic familial An outdated term for Tay-Sachs disease (TSD) which is concisely defined by OMIM (Online Mendelian Inheritance…
- Hypermnesia Abnormally strong memory of the past. As compared to hypomnesia and amnesia. From hyper- + the Greek mneme…
- Adverse event In pharmacology, any unexpected or dangerous reaction to a drug
- Photorefractive keratectomy (PRK) A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for…
- Human papilloma virus See: Human papillomavirus
- Lobular carcinoma of the breast, infiltrating Breast, infiltrating: Infiltrating lobular carcinoma is the second most common type of invasive breast cancer…
- Rhinitis Irritation of the nose. Derived from the Greek word rhinos meaning of the nose
- Dysplasia, arteriohepatic Also known as Alagille syndrome, this ia a genetic disorder characterized by jaundice in the newborn period…
- Reaction, hibernation See: SAD
- B virus An infectious agent commonly found among macaque monkeys, including rhesus macaques, pig-tailed macaques, and…
- Nerve, eleventh cranial The eleventh cranial nerve is the accessory nerve. The twelve cranial nerves, the accessory nerve included…