Taber's Medical Dictionary
radius
To view the entire topic, please sign in or purchase a subscription.
Taber’s Cyclopedic Medical Dictionary Online + App from F.A. Davis and Unbound Medicine. Find 65,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Explore these free sample topics:
-- The first section of this topic is shown below --
(rād′ē-ŭs )
(rād′ē-ī)
pl. radii [L. radius, staff, spoke, ray]
1. A line extending from the center point of a circle to its circumference.
2. The more lateral and shorter bone of the forearm. It revolves partially about the ulna. Its head articulates with the capitulum of the humerus and with the radial notch on the ulna and is encircled by the annular ligament. Its lower portion articulates with the ulna by the ulnar notch, and by another articulation with the navicular (scaphoid) and lunate bones of the wrist.
radial (rād′ē-ăl), adj.
-- To view the remaining sections of this topic, please sign in or purchase a subscription --
(rād′ē-ŭs )
(rād′ē-ī)
pl. radii [L. radius, staff, spoke, ray]
1. A line extending from the center point of a circle to its circumference.
2. The more lateral and shorter bone of the forearm. It revolves partially about the ulna. Its head articulates with the capitulum of the humerus and with the radial notch on the ulna and is encircled by the annular ligament. Its lower portion articulates with the ulna by the ulnar notch, and by another articulation with the navicular (scaphoid) and lunate bones of the wrist.
radial (rād′ē-ăl), adj.
There's more to see -- the rest of this entry is available only to subscribers.