The ethmoid bone is a cube-shaped bone located in the center of the skull between the eyes. It helps form the walls of the eye socket, or orbital cavity, as well as the roof, sides, and interior of ...

Through the process of natural selection, their bones have fused, grown, shrunk, and sometimes even disappeared, all in a continuous process of adaptation. This guide will walk you through the anatomy ...

Much of that height comes from the tarsometatarsus, the fused foot bone that people often mistake for the shin. Many shorebirds confine their foraging to dry land, but those that stride out into the ...

On the far right, at a dock labeled “U.S. Navy”, a ship in disrepair leans to one side. A bulldog gnaws on a bone labeled “New York” beneath a bench on the left. Illustration: Joseph ...