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.
Polyps can be cancerous (malignant) or not cancerous (benign). Here are the types of colon polyps. Pedunculated Polyp This type of polyp is when it is attached to the mucous membrane and has a narrow stalk of tissue.This is one of the most common types of colon polyps.Sessile Polyp When there is no stalk of tissue present and the polyp grows right on the mucous membrane, it is called sessile.edunculated Polyp This type of polyp is when it is attached to the mucous membrane and has a narrow stalk of tissue. This is one of the most common types of colon polyps. Sessile Polyp When there is no stalk of tissue present and the polyp grows right on the mucous membrane, it is called sessile.