He was among the first to find bone shafts, used as lances to kill animals hunted for food.

Tongues of radiolucency often protrude from the metaphyses into the bone shaft.

This information, coupled with the 247 unidentified long bone shaft fragments, highly suggests that the assemblage was processed for marrow.

Broken limb bone shaft digested by coyote showing rounding of the broken edges.

The first example was discovered in a young male's femur the second case was found in a male's left thumb, it was growing in the bone shaft, this is known as Chondroma.

A bloodstained nomad, with the totem of the lizard clan on his helm, sat impassively while a fellow clansman cut at the bone shaft of the arrow that had penetrated his arm.

Channel fluting was a tool constructing method used by the Palaeo-Indians, which involved thinning the base of a tool by removing channel flakes so that stone tools like spear points could be attached to wood or bone shafts.

The medullary cavity (medulla, innermost part) is the central cavity of bone shafts where red bone marrow and/or yellow bone marrow (adipose tissue) is stored; hence, the medullary cavity is also known as the marrow cavity.