Assertion: endocrine gland's hormone | /r/HasProperty | melatonin
Facets:
Source sentences:
text: The primary hormone of this gland is melatonin.
text: It releases the hormone called melatonin which regulates the wake-up and sleep clock and helps in immunity etc.
text: Its produces a hormone known as melatonin which influences the body’s internal clock.
text: The main hormone produced and secreted by the pineal gland is melatonin.