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.
Definition & Overview. A polyp is a small tissue growth that is often benign (non-cancerous), but in rare cases, may also be malignant (cancerous) as well. Polyps that grow in the cervix are normal. In fact, most women over the age of 20 have cervical polyps although they are more common in women over the age of 40.