rec·tum
noun/ˈrektəm/
/ˈrektəm/
(plural rectums, recta
(anatomy)/ˈrektə/
/ˈrektə/
)- the end section of the tube where food waste collects before leaving the body through the anus
enlarge image直肠 Word Originmid 16th cent.: from Latin rectum (intestinum) ‘straight (intestine)’.