Definition of Radial
Radial: A word with diverse meanings in medicine and the biomedical sciences:
- Pertaining to the radius, the smaller bone in the forearm. The radial artery is so named because of its proximity to the radius.
- Pertaining to the radius of a circle.
- Spreading from a central point. A radial keratotomy is an eye operation in which incisions are made in the cornea that resemble the spokes in a wheel.
The word "radial" comes from the Latin "radius" meaning a spoke in a wheel which this bone was thought to resemble. The word "radiation" is derived from the same Latin word -- "radius."Source: MedTerms™ Medical Dictionary
Last Editorial Review: 5/13/2016
Top RxList Drug News
- FDA Approves Daclizumab (Zinbryta ) for Multiple Sclerosis
- First US Case of E coli Resistant to Last-Resort Antibiotic
- FDA Approves Afstyla for Adults, Children With Hemophilia A
- FDA Approves New Diagnostic Imaging Agent to Detect Recurrent Prostate Cancer
- Drug Targeting Blood-Brain Barrier 'Hopeful' in Stroke