cranial stuff

Question 1

cranial fossae

Answer 1

depressions found in the floor of the cranium

Question 2

• anterior cranial fossa

Answer 2

frontal, ethmoid and greater wings of sphenoid bones

o cradles frontal lobes of the cerebral hemisphere

Question 3

• middle cranial fossa

Answer 3

sphenoid, temporal and parietal bones – contains several important foramen
o houses temporal lobes of cerebral hemispheres, diencephalon (thalamus, hypothalamus) and anterior portion of brain stem (mesencephalon)

Question 4

• posterior cranial fossa

Answer 4

mainly formed by the occipital bone (contributions from temporal and parietal bones)
o supports occipital lobes of cerebral hemispheres, cerebellum and posterior brain stem (pons and medulla oblongata)