Digestion and Stomach Function

Flashcards about digestion and stomach function.

Amylase

Enzyme in saliva that breaks down carbohydrates.

Lipase

Enzyme in saliva that breaks down fats.

Pepsin

Enzyme required in the stomach to break down protein.

Satiety

The feeling of fullness, which protein helps to increase and prolong.

Small intestine

The place where most nutrients are absorbed in the digestive system.

Vitamin B12

Begins absorption in the stomach.

Intrinsic Factor

A substance made in the stomach that helps absorb vitamin B12.

Bolus

The shape food takes when it's in the oral cavity.

Chyme

Name for bolus once it is mixed with hydrochloric acid in the stomach.

Simple columnar epithelium

Type of epithelium that lines the stomach and is good at the standing acid.

Gastric pits

Pits or grooves in the lining of the stomach.

Chief cells

Cells in the gastric pits that make pepsinogen and gastric lipase.

Parietal cells

Cells that make hydrochloric acid and intrinsic factor.

Pepsinogen

Inactive form of pepsin, which is activated by acid.

Hydrochloric acid

Turns pepsinogen into its active form, pepsin.

Pernicious anemia

Condition caused by not making enough intrinsic factor, leading to vitamin B12 deficiency.