Assertion: oxytocin | /r/Causes | excretion of milk
Facets:
value: via the nipples
type: MANNER
Source sentences:
text: Once the infant is released, oxytocin is no longer carried to the uterus, but once the baby begins to suck oxytocin is released and sent to the mammary glands of the breasts causing smooth muscle contractions and excretion of milk via the nipples.