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What is the purpose for the rugae folds in the small intestine?
The rugae folds in the small intestine (also called plique circulares) are there to increase surface area. Each fold also is covered in tiny microvilli, or microscopic folds. (if you look closely plicae circulares, it appears almost like a shaggy carpet because there are so many little microvilli) Those help increase the surface area even more. This allows the body to take in as much of the nutrients as possible from the food that is being digested.
The large folds of tissue in the small intestines that act to increase the surface area and support the villi and micro villi are called?
Plicae circularis.
Name the valve that controls movement of material between the small and large intestines?
The valve between the small and large intestines is the ileocecal valve. The ileocecal valve is a sphincter muscle and its function is to allow the passage of digested food from the small intestine into the large intestine, as well as preventing the reflux of the contents of the large intestine back into the ileum (the last part of the small intestine).
What are cfcs used for?
Its used in the compressors of refrigerators and air- conditioners
What is Crocoite used for?
Crocoite is mainly used as a mineral specimen. It used to be used as a minor ore of chromium, but it is now too rare to be used for that.It is on wikipedia too
The plicae circulares and intestinal villi are found in which of the four layers of the alimentary tube wall?
The plicae circulares and intestinal villi are found in the mucosa.
Are plicae circulares the same as circular folds?
Yes.
What are the inner folds of the small intestine called?
They are called "plicae circulares"
What are the deep folds of the mucosa and submucosa that extend completely around the circumference of the small intestine?
Circular fold (plicae circulares)
What two digestive processes occur in small intestine?
plicae circulares and peristalsis
Which term doesn't belong villi plicae circulares rugae or microvilli?
rugae
What is plicae circularis?
Plicae circulares is a term used to describe permanent folds of mucous inside of the small intestine. These folds are within the membranes and are only in the lower part of the duodenum and jejunum.
Modifications of the intestinal wall the surface area for absorption?
Villi Microvilli Plicae Circulares
What is the functions of plicae circulares?
The plicae circulares slow down the food passing along the intestines. Because of their shape there is an increase in the surface area between the food and the walls on the intestines which allows more efficient absorption of nutrients from the chyme - the stuff that comes from the stomach.
What are the structural modifications of the small intestine to increase surface area?
villi, microvilli, and plicae circulares/circularbfolds
What are Folds in the small intestine called?
permanent folds are called plicae circulares temporary folds are called rugae.
What are projections that cover the folds of the small intestines are called?
rugae It's not rugae - for stomach. Small intestine wall is plicae circulares.
