Assertion: obstruction | /r/HasProperty | functional
Facets:
Source sentences:
text: An obstruction may be anatomical or functional; it impedes flow proximal to the blockage, dilates the urinary system, increases the risk for infection, and compromises renal function.
text: The obstruction can be anatomical or functional and the clinical signs vary with the site of the lesion, the degree of luminal obstruction, and the severity of the cardiovascular compromise.