Digestive Basics
Movement of digesta through GI tract.
What is motility?
Mechanical chewing process.
What is mastication?
Acid produced in stomach.
What is HCl?
Primary site of digestion/absorption.
What is the small intestine?
What is enterokinase?
What are monosaccharides?
Release of enzymes and hormones.
What is secretion?
Enzyme in saliva that digests carbohydrates.
What is salivary amylase?
Cell that produces HCl.
What is a parietal cell?
First part of small intestine.
What is the duodenum?
Proteins digest into this.
What are amino acids?
Breakdown of food into smaller units.
What is digestion?
Wave-like contractions moving food.
What is peristalsis?
Inactive enzyme form produced by chief cells.
What is pepsinogen?
Finger-like projections increasing absorption.
What are villi?
Lipids digest into these.
What are glycerol and fatty acids?
Movement of nutrients into bloodstream.
What is absorption?
Lipase in saliva activated in stomach.
What is lingual lipase?
Active enzyme that digests proteins.
What is pepsin?
Cells producing mucus in intestine.
What are goblet cells?
Substance that emulsifies fats.
What is bile?
Removal of undigested material.
What is excretion?
Pouch off esophagus in birds for food storage.
What is the crop?
Hormone stimulating gastric digestion.
What is gastrin?
Enzyme activating trypsinogen.
What is enterokinase?
Enzyme that digests fats.
What is lipase?