Keller Dover (Hugh Jackman) is facing every parentâs worst nightmare. His six-year-old daughter, Anna, is missing, together with her young friend, Joy, and as minutes turn to hours, panic sets in. The only lead is a dilapidated RV that had earlier been parked on their street.
The Temporal Bone Contents The temporal bone is a large, bilaterally symmetrical bone which forms the base of the cranial vault (along with the occipital bone) and ascends to participate in the lateral walls of the skull.
Osseous Development. Of the four portions of the temporal bone the petrous part and styloid process undergo endochondral ossification whereas the squamous and tympanic part develop through intramembranous ossification. Spread evenly over the entire bone are eight ossification centers that create three of the main fontanelles before birth.