The instillation of markers in the large intestine is used to evaluate transit time in the large intestine and diagnose motility disorders. In healthy subjects, dwell-times for instilled markers in the large intestine are greatest in the:
Ans. D. Transverse colonObservations on the transit of markers after instillation in the human cecum show that the markers remain for the longest time in the transverse colon. Transit is significantly faster in the other parts of the large intestine.
Ascending colon
Sigmoid colon
Descending colon
Transverse colon
G.I.T.