In anatomy, relating to or measured between the two temple bones (stephions) on either side of the skull.
From Latin bi- (two) + Greek stephane (crown, wreath), specifically referencing the stephion anatomical points. The term developed in anatomical terminology to describe measurements across the temples.
Anthropologists use 'bistephanic' measurements to reconstruct ancient faces—by measuring between your temples, scientists can estimate the width of someone's face from a skull found thousands of years ago!
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