The lateral wall is formed by the greater wing of the sphenoid bone and the cheek bone (zygomatic bone), while the medial wall is formed by the lacrimal bone, ethmoid bone, upper jaw bone (maxillary ...

Female anatomy includes the internal and external structures, including those responsible for hormones, reproduction, and sexual activity. The female reproductive system is essential for hormone ...

Instead of sharks evolving from a massive predator, the original creature was a small, leaf-shaped fish. This fish lacked eyes and fins. It also did not have bones. As the oceans began to fill with ...