Hair, bear

Photomicrograph of scale cast of bear hair.

Bear (Black and Grizzly)
· Medulla: continuous, amorphous, usually less than half overall shaft diameter
· Unbanded: pigment coarse, granular, and fairly even distribution
· Scales: imbricate
· Maximum length: 108mm (Black), 70mm (Grizzly); maximum diameter: 153µ

Image courtesy of Microscopy of Hair Part II: A Practical Guide and Manual for Animal Hairs Forensic Science Communications July 2004 - Volume 6 - Number 3.