Swallowing Anatomy and Physiology

• Anatomy - esophagus and stomach
• Forces, movements, and pressures for swallowing
• Four phases of swallowing
  • Oral preparatory
  • Oral transport
  • Pharyngeal transport
  • Esophageal

Objectives

• Identify structures related to deglution on diagrams and from description
• List the pressures that exist in the oral cavity, esophagus, stomach, and esophageal sphincters at rest and describe how they change during swallowing
• Describe the events that occur during the four phases of swallowing and indicate whether thoses stages are under voluntary or involuntary control
• Identify the four phases of swallowing on diagrams

Resources

• Anatomy and physiology of swallowing
• Anatomy of the swallow
• Physiology of the swallow
• Normal swallowing physiology
• Swallowing animation