Assertion: vein's wall | /r/HasProperty | rounded thin walls
Facets:
value: generally
type: DEGREE
value: with large lumens
type: OTHER
Source sentences:
text: Arteries Veins General appearance Thick walls with small lumens Generally, appear rounded Thin walls with large lumens Generally, appear flattened Tunica intima Endothelium usually appears wavy due to constriction of the smooth muscle Internal elastic membrane is present in larger vessels Endothelium appears smooth Internal elastic membrane lacking Tunica media Usually, this is the thickest layer in arteries Smooth muscle cells and elastic fibers dominate