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Bile has an important role in giving stool its brown color so when a patient tells Kumar Desai, MD, gastroenterologist, hepatologist, and pancreaticobiliary specialist in Thousand Oaks, California ...
Stool that is pale or grey may be caused by insufficient bile output due to conditions such as cholecystitis, gallstones, giardia parasitic infection, hepatitis, chronic pancreatitis, or cirrhosis. Bile pigments from the liver give stool its brownish color. If there is decreased bile output, stool is much lighter in color.
In fact, a recent study of the most Googled medical symptoms by state from MedicareHealthPlans found that, in head-scratchingly specific fashion, “light colored poop” and “dark green stool ...
The absence of bile secretion can cause the feces to turn gray or pale. Bile is responsible for the brownish color of feces. In addition to this, bile also plays a role in fat absorption, where dietary lipids are combined so that pancreatic lipases can hydrolyze them before going towards the small intestine.
Conjugated bilirubin in urine (bilirubinuria) gives urine an abnormally dark brown color. Thus, the presence of pale stool (stercobilin absent from feces) and dark urine (conjugated bilirubin present in urine) suggests an obstructive cause of jaundice.
Steatorrhea refers to bulky, foul-smelling, oily stool that tends to be pale in color and float in the toilet bowl, resisting flushing. (These are the 9 most common reasons your poop is black.)
Acholia or hypocholia [1] is pallor of the feces, which lack their normal brown colour, as a result of impaired bile secretion into the bowel. [2] Acholia is a sign pointing to reduced or lacking flow of conjugated bilirubin into the bowel, as a result of a problem in the liver itself or in the biliary tree.
Stercobilin is a tetrapyrrolic bile pigment and is one end-product of heme catabolism. [1] [2] It is the chemical responsible for the brown color of human feces and was originally isolated from feces in 1932.