Hair, beaver

Photomicrograph of beaver guard hair.

· Medulla (fur hairs): continuous, cellular (beaded appearance); in guard hairs medulla is unbroken, cellular, and usually relatively narrow
· Unbanded
· Diameter: fine, uniform
· Pelts always sheared

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.