A key area of the hypothalamus, particularly important in the regulation of the biological clock, is the:
A) substantia nigra.
B) caudate nucleus.
C) lateral hypothalamus.
D) suprachiasmatic nucleus.

Question

Quizplus · Accepted Answer

The suprachiasmatic nucleus (SCN) is a key area of the hypothalamus that is essential in regulating the circadian rhythms of the body. It receives input from the retina and signals the pineal gland to release hormones that regulate sleep-wake cycles. Damage to the SCN can disrupt sleep patterns and cause other physiological disruptions.

A Key Area of the Hypothalamus, Particularly Important in the Regulation