Which region(s) of the brain, present in a five-week-old embryo, is/are derived from the forebrain?
A) telencephalon only
B) diencephalon only
C) mesencephalon only
D) telencephalon and diencephalon
E) telencephalon and mesencephalon

Question

Quizplus · Accepted Answer

The forebrain, or prosencephalon, differentiates into two main regions in a developing embryo: the telencephalon and the diencephalon. These regions give rise to major structures of the adult brain, including the cerebrum (from the telencephalon) and the thalamus and hypothalamus (from the diencephalon).

Which Region(s) of the Brain, Present in a Five-Week-Old Embryo