Question

skull 10 (cranial floor - internal)
r, the thick portion of temporal bone at this location, is called the ____ ____ (two words).

Explanation:

The thick portion of the temporal bone in the cranial floor (internal) at the labeled "R" is the petrous part, specifically the petrous temporal or more accurately, the petrous portion (but in the context of the temporal bone's thick part here, the correct two - word term is "petrous part" or "petrous pyramid", but the standard two - word term for the thick portion of the temporal bone in this cranial floor view is "petrous part". Wait, actually, the thick, dense part of the temporal bone is the petrous portion (petrous part). So the answer should be "petrous part".

Answer:

petrous part