Changes

The sources responsible for an increase in ammonia levels include:

The sources responsible for an increase in ammonia levels include:

*the bacterial and intestinal breakdown of urea by urease, which then diffuse into the colon from the blood.

*the bacterial and intestinal breakdown of urea by urease, which then diffuse into the [[Colon - Anatomy & Physiology|colon]] from the blood.

*the bacterial breakdown of undigested amino acids in the colon.

*the bacterial breakdown of undigested amino acids in the [[Colon - Anatomy & Physiology|colon]].

*the catabolic metabolism of glutamine as an energy source by small intestinal enterocytes.

*the catabolic metabolism of glutamine as an energy source by small intestinal enterocytes.

*endogenous hepatic protein metabolism by excess dietary protein intake, breakdown of lean body mass and gastrointestinal bleeding.

*endogenous hepatic protein metabolism by excess dietary protein intake, breakdown of lean body mass and gastrointestinal bleeding.