Assertion: pia mater | /r/CapableOf | bear blood vessels
Facets:
Source sentences:
text: The pia mater bears blood vessels and consequently has a nutritive mission primarily.
text: It tightly covers the brain (following its convolutions) and spinal cord and carries blood vessels that provide nourishment to these nervous tissues.
text: The pia mater has many blood vessels that reach deep into the surface of the brain.