Assertion: pia mater | /r/HasProperty | covered by ependymal cells
Facets:
value: to create the tela choroidea
type: PURPOSE
Source sentences:
text: At certain points in the third, fourth and lateral ventricles the pia mater forms a double layer and is covered by ependymal cells to create the tela choroidea.
text: At certain points in the third, fourth and lateral ventricles the pia mater forms a double layer and is covered by ependymal cells to create the tela choroidea.