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 ...

New research from the University of Chicago and University of Missouri shows how physical changes in the skull affected the ...

ATEN-POUND bite requires a forty-pound contraction of the human jaw muscles. That is because the jaws are built on the principle of a pair of tongs, The power is applied near the joint ...