carpal tunnel syndrome. 1  a medical condition that is characterized by pain, numbness, etc. in the wrist, palm, fingers, and thumb, usually caused by repetitive hand movement, as in typing or knitting, which swells the tissue surrounding the nerve in a tunnel-like passage (carpal tunnel) in the wrist.
1 The radius is located laterally, nearer the thumb, and the ulna medially, nearer the little finger.The radius and the ulna have a styloid process at the distal end and are attachment sites for many muscles.  The radius is smaller than the ulna.
The radius of the circle is a line segment from the center of the circle to a point on the circle. The plural of radius is radii. In the above diagram, O is the center of the circle and and are radii of the circle.he radius of the circle is a line segment from the center of the circle to a point on the circle. The plural of radius is radii. In the above diagram, O is the center of the circle and and are radii of the circle.