Embryologically, the brain arises from the rostral end of a tube-like structure that quickly becomes divided into three major regions. Groups of structures that develop from the embryonic brain are listed below. Designate the embryonic origin of each group: hindbrain, forebrain, or midbrain.
The medullar, pons and cerebellum ________________________________
The diencephalon, including the thalamus, optic chiasma and hypothalamus _________________________________
Location of the cerebral aqueduct _____________________________
The cerebral hemisphere _____________________________