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.
(1 -) sessile polyp in the cecum behind the ileocecal valve of 3 cm. villous appearance, (2 -) in the ascending colon pedicle adenomatous a 12mm. (3 -) in the transverse colon near the hepatic a adenomatous also 10mm (4 -) in a splenic pedicle transverse-10mm.