The diet of this growing chick contained insufficient vitamin D to allow normal calcification of the elongating bones.  This inadequate mineralization produced soft cartilaginous bones that bend rather than breaking cleanly, hence a green stick fracture of this femur.

Green stick fracture, rickets

Credit: Unknown

Digital Credit: Melissa Foster

Publisher: None

Rights: No rights reserved - image is in the public domain

Description: The diet of this growing chick contained insufficient vitamin D to allow normal calcification of the elongating bones. This inadequate mineralization produced soft cartilaginous bones that bend rather than breaking cleanly, hence a green stick fracture of this femur.

Image Resolution: 2707x1694

File Size: 3224337 bytes