ulnar loop

plural ulnar loops

1. A fingerprint or palmprint pattern that consists of a loop which opens toward the ulna side of the hand (toward the pinkie).

   The ulnar loop is often known as the "loop of nature" since people with it have an intuitive response to the workings of nature.

   2012, Richard Webster, Palm Reading for Beginners: Find Your Future in the Palm of Your Hand, →ISBN

   2 more examples

   This increase in ulnar loop frequency in AD is commensurate with the median percentage frequency of ulnar loops in DS patients (78.3) versus controls (56.8) reported in other studies.

   2012, Abraham Fisher, Israel Hanin, Chaim Lachman, Alzheimer’s Disease: Problems, Prospects, and Perspectives, →ISBN, page 19

   The two types of loops, radial loop and ulnar loop, are based on the direction of flow of the ridges relative to the two long bones of the forearm: the radius (on the thumb side) and the ulna (on the little finger side).

   2013, Joe Nickell, John F. Fischer, Crime Science: Methods of Forensic Detection, →ISBN, page 120