DNA replication is one of the most basic processes that occurs within a cell. Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell. To accomplish this, each strand of existing DNA acts as a template for replication.
radial. 1  a. Of, relating to, or arranged like rays or radii. b. Radiating from or converging to a common center. c. Having or characterized by parts so arranged or so radiating. 2  Moving or directed along a radius. 3  Anatomy Of, relating to, or near the radius or forearm. 4  Developing symmetrically about a central point.
Radial keratotomy: An eye surgery procedure designed to flatten the cornea, reducing its optical power, to correct nearsightedness (myopia). In the procedure, incisions (cuts) are made in the cornea. The procedure is said to be radial because the incisions resemble the spokes in a bicycle wheel.