Effect of Contact of Food with the Epithelium Function of Enteric Nervous Stimuli

mechanical presence of food in a particular segment of the gastrointestinal tract usually causes the glands of that region and often of adjacent regions to secrete

Figure 64-1

Typical function of a glandular cell for formation and secretion of enzymes and other secretory substances.

Figure 64-1

Typical function of a glandular cell for formation and secretion of enzymes and other secretory substances.

Primary secretion:

1. Ptyalin

2. Mucus

3. Extracellular fluid

Na+ active absorption Cl- passive absorption K+ active secretion HCO3- secretion

Primary secretion:

1. Ptyalin

2. Mucus

3. Extracellular fluid

Na+ active absorption Cl- passive absorption K+ active secretion HCO3- secretion

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