The temporal muscles that close the jaws descend through these openings. 3. Dermal skull roof or dermatocranium A shield of membrane or dermal bone covering the top and sides of the head and extending ...

The bone that surrounds the ear is called the temporal bone. The ear canal, middle ear and inner ear are all within the temporal bone. The temporal bone is part of the skull above the ear. One part of ...

1. Lizard has space on side of skull, reflecting loss of second temporal fossa. Has one fossa, one arch 2. Bird has one large cavern, with all bars between orbit and temporal fossae lost. i. Decrease ...