Question

the middle primary brain vesicle, the mesencephalon, gives rise to which adult brain structure?
options: diencephalon, midbrain, cerebrum, medulla oblongata

Explanation:

In neuroanatomy, the mesencephalon (middle primary brain vesicle) develops into the midbrain in the adult brain. The diencephalon comes from the prosencephalon's secondary vesicle, the cerebrum from the telencephalon, and the medulla oblongata from the myelencephalon.

Answer:

B. midbrain