In the Chondrichthyes, the skull consists of chondrocranium and upper jaw. In the Osteichthyes through mammals, the skull is a fused unit in which the braincase is added to and welded together by a ...

The mandible is the only bone in the skull that can move and is also the strongest bone in the human face. The mandible is located in the lower jaw, directly below the maxilla (upper jaw).

This image shows the upper jaw and skull of Maiabalaena nesbittae. Whales were the first mammals to evolve baleen, and no other mammal uses any anatomical structure even remotely similar to it to ...

After 128 years of exploration and fossil excavation, researchers have finally unearthed the skull of Genyornis newtoni.

“Usually large skulls belong to baleen whales, but Klaas immediately noted enormous teeth, both on the upper and lower jaw.” They had found Livyatan. The skull is beautifully adapted to ...

Early anatomists used the word maxilla for both jaws as L maxilla means just jaw bone and is not at all specific to upper or lower ... Greek word korone – a sea crow or anything curved like ...

Why the captivation with skulls? The eyeless sockets, firm jaw, and teeth in the rictus of an eternal grin--the skull is ghostlike and terrifying, but still recognizably animal. It represents the soul ...

Doctors eventually discovered that her jaw was a mirror image of her upper jaw and was fused to her skull. The condition was life threatening without treatment. “It was very emotional ...

“It has all these giant jaw muscles, and it’s very efficient ... to apply pressure most effectively when the joints in its upper skull remained largely immobile, although a tiny amount of ...