triradius

In dermatoglyphics, the figure at the base of each finger in the palm, produced by rows of papillae running in three directions so as to form a triangle. ... Synonym: Galton's delta. ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

triradius

Type: Term Pronunciation: trī-rā′dē-ŭs Definitions: 1. In dermatoglyphics, the figure at the base of each finger in the palm, produced by rows of papillae running in three directions so as to form a triangle. Synonyms: Galton delta2
Found on http://www.medilexicon.com/medicaldictionary.php?t=94064
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