Assertion: breast's gland | /r/CapableOf | undergo large-scale expansions
Facets:
value: during repeated estrous cycles
type: TEMPORAL
value: with sprouting from the ducts
type: OTHER
Source sentences:
text: The mammary gland undergoes large-scale expansions and regressions during repeated estrous cycles, with new epithelial buds sprouting from the ducts and subsequently disappearing as estrogen and progesterone levels rise and fall .