Question

Name a hormone secreted by the pineal gland?

Answer 1

Melatonin is secreted by the pineal gland:

1. The pineal gland is situated on the midline, joined to the back at the top of the ventricle inside the brain.
2. It is a pea-formed organ releasing melatonin horomone.
3. This hormone is released on exposure to the light inside the body.
4. It also regulates the sleep-wake cycle of the body.
5. It plays significant role in affecting circadian rhythms and integrating photoperiod.