The chief cells near the base of a gastric gland secrete ________, which is converted by the acids in the gastric lumen to an active proteolytic enzyme. The chief cells near the base of a gastric gland secrete ________, which is converted by the acids in the gastric lumen to an active proteolytic enzyme. cholecystokinin rennin secretin intrinsic factor pepsinogen

Cidled T eme Match the correct number from Figure 14-23 to the corresponding anatomic structure. Gallbladder Greater omentum Jejunum Left lateral lobe of liver Descending duodenum Right medial lobe of liver Quadrate lobe of liver Urinary bladder Stomach 2 5 6.

Which of the following is necessary in order to have the start of chemical digestion of proteins by pepsin in the stomach? O Secretions from mucus neck cells O Two of the listed options O Secretions from chief cells O All of the listed options O Secretions from parietal cells

Number 9

Describe the role of these cells found in gastric glands: parietal, chief, mucous neck, and enteroendocrine.