Assertion: choroid | /r/HasAspect | blood vessels
Facets:
value: histologically
type: TEMPORAL
value: mostly
type: DEGREE
Source sentences:
text: The choroid is comprised mostly of blood vessels histologically and is divided in five layers; Bruch’s membrane, the choriocapillaris, Haller’s layer, Sattler’s layer, and the suprachoroid28.