Colon Anatomy and Typical Dimensions
• Cecum: 5cm
• Ascending Colon: length 10 cm, width 8 cm
• Transverse Colon: length 50 cm, width 5 cm
• Descending Colon: length 10 cm, width 5 cm
• Sigmoid Colon: length 50 cm, width 4 cm (narrowest: likely site for obstruction)
• Rectum: length 15 cm
• Anal Canal: length 4 cm
Dr. Keith Siau @drkeithsiau
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