Most Popular. An impact driver looks similar to a drill/driver but for one noticeable distinctionâinstead of a keyless chuck, it has a collet that accepts hex-shanked driver bits. This tool is specially engineered to do one job: drive screws, which it does faster and easier than any other tool. Impact drivers can drive long, large fastenersâincluding fat lag screwsâthat would stall the very best drill/driver.
Sigmoid colon. The sigmoid colon (pelvic colon) is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 35-40 cm in length. The loop is typically shaped like a Greek letter sigma (Ï) or Latin letter S (thus sigma + -oid).
Anatomy The colon is the main portion of the large intestine and is divided into four regions: the ascending, transverse, descending, and sigmoid colon.... Click to read more below. The transverse colon is the longest region of the colon and is located between the ascending colon and descending colon.It is named for the fact that it crosses the abdominal cavity transversely from the right side to left side just below the stomach.natomy The colon is the main portion of the large intestine and is divided into four regions: the ascending, transverse, descending, and sigmoid colon.... Click to read more below. The transverse colon is the longest region of the colon and is located between the ascending colon and descending colon.