Assertion: alimentary canal's cell | /r/HasProperty | segregated
Facets:
value: often
type: TEMPORAL
value: during cleavage
type: TEMPORAL
Source sentences:
text: The germ (germinal) cells, which eventually give rise to the gametes, are often segregated from the somatic, or body, cells at a very early stage—during cleavage and before the subdivision of the embryo into ectoderm, mesoderm, and endoderm.