Assertion: adrenal medulla's hormone | /r/CapableOf | play role
Facets:
value: in pregnancy
type: TEMPORAL
value: in sleep
type: TEMPORAL
Source sentences:
text: It is now known that the pineal gland secretes melatonin and related hormones which may play a role in sleep and possibly affect the secretion of luteinizing hormone and follicle-stimulating hormone.
text: These hormones also play a role in pregnancy.