obliterative

1. (medicine) Causing a passageway to become completely closed off.Examples: "In the case of true obliterative appendicitis, however, the opposed surfaces of the lumen have become firmly united to each other, and the obliterating band is absolutely impervious."; "In the 37 cases of deep gangrene observed at Mayo General Hospital, as in other similar cases, the process differed from the gangrene observed in thromboangiitis obliterans, arteriosclerosis, and other obliterative vascular diseases , chiefly because the reduction in the circulation of the foot regularly present in those diseases as the result of obliterative vascular changes was generally absent in trenchfoot."; "Although generally obstructive, obliterative changes may lead to non- or poorly communicating airspaces, which will not be obvious on spirometry."