Assertion: mammary gland | /r/AtLocation | embryonic life
Facets:
value: as clumps of cells
type: MANNER
value: to those of the upper limbs
type: TRANSITIVE-OBJECT
Source sentences:
text: They first appear in embryonic life as clumps of cells proliferating from a longitudinal ridge of ectoderm (the outermost of the three germ layers of the embryo) along the so-called milk line, from the buds, or beginnings, of the lower limbs to those of the upper limbs.