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Anal, pyloric and i dont know the third one.
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∙ 12y ago
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Muscle sphincters are composed of what two types of muscle fibers?
Smooth Muscle Fiber
What is the purpose of sphincters?
Sphincters prevent material from flowing backwards, like the pyloric sphincter in the stomach.
What is the anatomical sphincter and what is the physiological sphincter?
Sphincters can be classified into functional and anatomical sphincters:Anatomical sphincters have a localised and often circular muscle thickening to facilitate their action as a sphincter.Functional sphincters do not have this localised muscle thickening and achieve their sphincteric action through muscle contraction around (extrinsic) or within (intrinsic) the structure.Sphincters can also be voluntarily or involuntarily controlled:Voluntary sphincters are supplied bysomatic nerves.Involuntary sphincters are stimulated byautonomic nerves.
What lets food in and out of the stomach?
sphincters
Do sphincters prevent backflow?
yes !
Which sphincters function as regulatory valves that reduce the flow of blood through a network of capillaries when they contract and constrict the arterioles?
Precapillary sphincters
What are the names of the two sphincters of the stomach?
The cardiac (entry) and the pyloric (exit) sphincters.
How do arterioles regulate blood flow into capillaries?
Sphincters
What are sphincters and how are related to the stomach?
Sphincters are circumferential muscles that can relax or constrict to regulate the passage of material through a particular area. The stomach is bound by two sphincters in humans: the lower esophageal sphincter that keep stomach acid in the stomach and the pyloric sphincter that regulates the flow of food in the stomach into the duodenum.
How do precapillary sphincters help regulate blood pressure and body temperature?
the Precapillary Sphincters control blood pressure and body temperature by regulating the flow of blood to the capillary bed.
Are all human sphincters ring like shaped?
yep
The amount of blood that flows into capillaries is regulated by?
precapillary sphincters
