A radial loop is a fingerprint pattern opening towards the thumb. Its classification, based on flow relative to the radius bone, distinguishes it from ulnar loops that open towards the little finger.
Match the LIST-I with LIST-II
| LIST-I | LIST-II |
|---|---|
| A. Ridges | III. The raised portion of the friction skin of the fingers |
| B. Type Lines | I. Two most inner ridges which start parallel, diverge and surround or tend to surround the pattern area |
| C. Delta | IV. The ridge characteristics nearest to the point of divergence of type lines |
| D. Enclosure | II. A single ridge bifurcates and reunites to enclose some space |