Normal Aging Process
Nanette Lavoie-Vaughan, M.S.N., APN
Gastrointestinal System
Decreased dentin production
Retraction of gingiva
Atrophy of taste buds
Decrease in amount of saliva
Decreased esophageal motility
Weaker gag reflex
Reduced stomach motility and emptying time
Atrophy of gastric mucosa
Decreased secretion of hydrochloric acid, pepsin and
lipase
Slower fat absorption
Increased difficulty in absorption of dextrose, xylose,
calcium, iron, and B vitamins
Atrophy in small and large intestines
Fewer calls on absorbing surface of intestines
Slower peristalsis
Loss of tone in internal anal sphincter
Decreased size of liver
Increased incidence of gallstones
Distention of pancreatic ducts