Assertion: mammary gland | /r/CapableOf | form rudimentary duct tree
Facets:
value: at birth
type: TEMPORAL
Source sentences:
text: They exist in both sexes during embryonic stage, forming only a rudimentary duct tree at birth.
text: They exist in both sexes during embryonic stage, forming only a rudimentary duct tree at birth.
text: They exist in both sexes during embryonic stage, forming only a rudimentary duct tree at birth.