Assertion: echinoderm's cell | /r/CapableOf | envelop primary oocyte
Facets:
Source sentences:
text: The GSS stimulates the follicular cells that envelop each primary oocyte to produce the maturation-inducing substance 1-methyladenine.
text: The GSS stimulates the follicular cells that envelop each primary oocyte to produce the maturation-inducing substance 1-methyladenine.