The prosencephalon develops into which adult brain structures?

The prosencephalon develops into which adult brain structures?

• A. Midbrain and hindbrain.
• B. Telencephalon and Diencephalon.
• C. Cerebellum and brainstem.
• D. Spinal cord and brainstem.

Answer: (B)

The main concept is that the forebrain (prosencephalon) splits into two secondary vesicles: the telencephalon and the diencephalon. From the telencephalon develop the cerebral hemispheres, while the diencephalon forms the thalamus and hypothalamus (among other nearby structures). That’s why the adult brain structures arising from the prosencephalon are the telencephalon and diencephalon. The midbrain and hindbrain come from the mesencephalon and rhombencephalon, respectively, and the cerebellum and brainstem arise from the hindbrain; the spinal cord comes from the neural tube.

The main concept is that the forebrain (prosencephalon) splits into two secondary vesicles: the telencephalon and the diencephalon. From the telencephalon develop the cerebral hemispheres, while the diencephalon forms the thalamus and hypothalamus (among other nearby structures). That’s why the adult brain structures arising from the prosencephalon are the telencephalon and diencephalon. The midbrain and hindbrain come from the mesencephalon and rhombencephalon, respectively, and the cerebellum and brainstem arise from the hindbrain; the spinal cord comes from the neural tube.