Liver Cell

The role of glucagon in glycogenolysis and "glucose production in liver cells. Heavy arrows indicate processes stimulated by glucagon,- light arrows indicate processes inhibited by glucagon.

transport into liver cells and the degradation of hepatic proteins, helping provide substrates for gluconeogenesis.

Glucagon and Ureagenesis. The glucagon-enhanced conversion of amino acids into glucose leads to increased formation of ammonia. Glucagon assists in the disposal of ammonia by increasing the activity of the urea cycle enzymes in liver cells (see Fig. 35.8).

Urea Cycle Liver

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Essentials of Human Physiology

Essentials of Human Physiology

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