Which structure is formed by an evagination from the floor of the diencephalon?

A) Anterior pituitary
B) Posterior pituitary
C) Thyroid gland
D) Adrenal glands
E) Pancreas

Diencephalon

A region of the brain that includes structures such as the thalamus and hypothalamus, involved in sensory and autonomic functions.

Anterior Pituitary

The front portion of the pituitary gland, producing and releasing hormones that regulate various bodily functions.

Posterior Pituitary

A part of the brain that releases hormones produced in the hypothalamus, such as oxytocin and vasopressin.