The connecting stalk between the hypothalamus and the pituitary gland is the ________.

A) tectum
B) cerebral peduncle
C) hippocampus
D) infundibulum

Infundibulum

A funnel-shaped structure, often referring to parts of the brain (pituitary stalk) or reproductive system (oviduct entrance) in humans.

Hypothalamus

The hypothalamus is a region of the brain that plays a crucial role in hormone regulation, temperature control, hunger, thirst, and circadian rhythms.

Cerebral Peduncle

A structure in the brain stem that contains large bundles of nerve fibers connecting the forebrain and hindbrain, crucial for relaying motor and sensory information.