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).
Accommodation
In medicine, the ability of the eye to change its focus from distant to near objects (and vice versa). This process is achieved by the lens changing its shape. Accommodation is the adjustment of the optics of the eye to keep an object in…
Read the definitionRandom terms
Show more- Three day fever See: Sandfly fever
- Dowager's hump An abnormal outward curvature of the vertebrae of upper back. Compression of the front (anterior) portion of…
- Episcleritis Inflammation of the episclera, a thin membrane that covers the sclera (the white of the eye). Episcleritis is…
- Dermatologic Having to do with the skin
- Palsy, Bell's Paralysis of the facial nerve, the nerve that supplies the facial muscles on one side of the face. The cause…
- Hemorrhagic Pertaining to bleeding or the abnormal flow of blood. The patient may have an internal hemorrhagic problem…
- Fiber and cholesterol Soluble fiber substances are effective in helping reduce the blood cholesterol. This is especially true with…
- Disorder, bipolar See: Bipolar disorder
- Beta particle An electron ejected from the nucleus of a decaying atom. Although beta particles can be stopped by a thin…
- Glu Glutamic acid. See also: Amino acid symbols
- Diesel exhaust The exhaust generated by diesel engines. This exhaust is a complex mixture of combustion products of diesel…
- Lean body mass The mass of the body minus the fat (storage lipid). There are a number of methods for determining the lean…