What is the lumen of the small intestine?
Question
What is the lumen of the small intestine?
Solution
The lumen of the small intestine is the hollow part of the intestine where digestion and absorption of food occurs. It is lined with a layer of cells called the epithelium, which is responsible for absorbing nutrients from the food we eat. The lumen is also where various enzymes and other substances necessary for digestion are secreted. The size of the lumen can vary, but it is typically about 2 to 3 centimeters in diameter. The surface area of the lumen is greatly increased by the presence of millions of tiny finger-like projections called villi, which help to maximize nutrient absorption.
Similar Questions
The mucosa layer of the small intestine is folded into what that projects into the lumen to increase absorption? A. Villi B. Lumen C. Muscularis D. Secretory glands
Fill in the Blank QuestionFill in the blank question.The terminal few centimeters of the large intestine are called the anal .
What is the average length of a small intestine
Identify which features of the small intestine make it well suited to the absorption of nutrients.
In the digestive tract, the lumen is defined as the Blank______.Multiple choice question.muscular walloutermost layercentral spacecontents that have been ingested
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.