snub. (mining engineering). To increase the height of an undercut by means of explosives or otherwise. To check the descent of a car by the turn of a rope around a post.
Sessile polyps simply mean that the mass is flat and does not have a stalk. The other types of colonic polyps are pedunculated- these are not flat but attached to a stalk. Since a sessile colonic polyp does not have a stalk, it is usually found very close to the colonic wall lining.
A polyp is a mass of tissue protruding abnormally from the mucous membrane (protective lining of epithelial cells for secretion and absorption) of the esophagus.he polyps are smooth, round and grow from the wall of the esophagus. It is rarely cancerous and can be removed by an endoscopic procedure. Patients mostly donât report symptoms from these. However, some may complain of chest pain and dysphagia.