The habenula and pineal body are both found in the ________.

A) thalamus
B) epithalamus
C) hypothalamus
D) subthalamus
E) hyperthalamus

Habenula

A paired structure located in the epithalamus of the brain, involved in regulating responses to pain, stress, sleep, and reward by linking the forebrain to the midbrain and associated with various neurotransmitter systems.

Pineal Body

A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.

Epithalamus

A part of the diencephalon in the brain that includes the pineal gland and is involved in the regulation of sleep-wake cycles.