This living tissue contains an outer layer of dense material (cortical bone) surrounding a more porous inner structure (trabecular or cancellous bone). Within these structures, specialized cells ...

Columella modified a bit and now called the stapes. One last bone from the lower jaw got incorporated into the ear structure. This dome encloses the inner and middle ears. In development of middle ear ...

A thigh gap is when a person's inner thighs don't touch while standing with their feet together. For some people, there is no way to get a thigh gap since it largely depends on bone structure.