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