Snapping turtle - Otic notch at back of skull allows anterior expansion of jaw muscles. ‘Modified anapsid’ condition increases power of bite. Holes arose in dermal roof, muscles pass through roof to ...

3. Dermal skull roof or dermatocranium A shield of membrane or dermal bone covering the top and sides of the head and extending down to the jaw rims, with a marginal row of teeth. In amphibians & stem ...

The temporomandibular joint (TMJ) is the hinge-like bone that connects your jaw and your skull. You can feel it ... biting it softly between your top and bottom teeth. Step 2: Now begin shifting ...

Here’s a look at some common causes of jaw pain. Temporomandibular joint (TMJ) disorders affect the joint that connects your skull and jaw. A disc separates the bones in this joint and helps it ...