Assertion: adrenal medulla's cell | /r/CapableOf | serve as precursor
Facets:
value: to basophils
type: TRANSITIVE-OBJECT
value: to the acidophils
type: TRANSITIVE-OBJECT
Source sentences:
text: Finally, a few chromophobes are visible in this section; these cells are non-secretory and serve as support cells or precursors to the acidophils and basophils.