SMALL INTESTINE
BODY OF STOMACH
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mucosa
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Submocosa
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Muscular layer
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Serosa
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Detailed explanation-1: -The mucosa, or mucous membrane layer, is the innermost tunic of the wall. It lines the lumen of the digestive tract.
Detailed explanation-2: -The lining is highly folded to form microscopic finger-like projections called villi which increase the surface area to help with absorption.
Detailed explanation-3: -SMALL INTESTINE | Structure and Function The mucosa projects from the folds into the lumen with finger-like structures called villi approximately 1 mm in length. Villi increase the surface area by an additional 10-fold. The surface of each villus is covered with epithelial cells known as enterocytes.
Detailed explanation-4: -The surface of the small intestine has a finger-like microscale villus structure, which provides a large surface area to realize efficient digestion and absorption.