Collagen fibers tend to run mostly in one direction and form _________ that surgeons try to avoid cutting across.

Osteoid is the _________ component of bone.

______ are muscles that raise the pilus to cause “goose bumps”.

The _________ is derived from hematopoietic stem cells (HSCs). 

The trabeculae of a bone are covered with:

This is the thickest epidermal layer:

The stem cell that gives rise to osteocytes is called a(n):

Keratohyaline granules appear in the stratum ____________.

Which cell type secretes osteoid:

Which of the following is secreted by osteoclasts to assist bone resorption: