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What is telescoping one segment of intestine into the lumen of an adjacent segment?
intussusception
What is the open space inside a structure such as the small intestine?
Lumen
What is Bowel lumen?
It is the space within the intestine
What does the lumen of intestine do in an earthworm?
lumanate its inside
Where does final digestion of carbohydrates occurs?
small intestine
What is a word for hollow intestine?
The word is lumen. It means the interior of a hollow tubular structure such as the intestine.
What lines the lumen of all blood vessels?
The lumen is the inner open space or cavity of a tubular organ, such as a blood vessel or an intestine
Why are the intestines so good at absorbing food molecules?
The small intestine has many villi, small projections into the lumen of the small intestine. These villi increase the surface area of the small intestine, and increase the funcitonal area for the absorbtion of nutrients.
What are protrusions into the lumen in the small intestine that create an increased surface area for nutrient absorption?
Villi
What is tunica interna?
It lines the lumen of the vessels, and is a thin layer of endothelium.
What are protrusions into the lumen called that create an increased surface area for nutrient absorption in the small intestine?
Villi
What is the involuntary tissue that constricts the lumen of the small intestine?
Smooth muscle tissue constricts the lumen of the small intestine involuntarily. This muscle tissue is responsible for moving food and materials through the digestive tract by contracting and relaxing in a rhythmic pattern.
