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).
Refraction
In ophthalmology, the bending of light that takes place within the human eye. Refractive errors include nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. Lenses can be used to control the amount of refraction…
Read the definitionRandom terms
Show more- Litho- See: Lithium.
- Joint, atloaxoid : The joint between the atlas and axis bones. The atlas is the first cervical (neck) vertebra which is just…
- Atherogenesis The process of forming atheromas, plaques in the inner lining (the intima) of arteries
- Urologist A physician who specializes in diseases of the urinary organs in females and the urinary tract and sex organs…
- Prosthetic Referring to a prosthesis, an artificial substitute or replacement of a part of the body such as a tooth…
- Mediterranean-style diet See: Mediterranean diet
- Syndrome, HDR The syndrome of familial Hypoparathyroidism, sensorineural Deafness, and Renal dysplasia. Inherited as an…
- Whitmore's disease An infectious illness, also called melioidosis, that is most frequent in Southeast Asia and Northern…
- Photorefractive keratectomy (PRK) A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for…
- Anogenital tract Angiogenital tract is a term used to refer to both the anus and genital tract. The genital tract encompasses…
- Dracunculiasis A parasitic disease caused by the largest parasite that plagues people and bores into their tissues -- the…
- Heredity Genetic transmission from parent to child.