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Examine a cross section of the esophagus with a compound microscope. There is a lot of muscle here. What is this muscle for? What cells is the red, dashed line tracing over? Layer rnal muscle submucosa (mucosa lumen) Hint: What type of epithelial cells? Stratified Squamous Epithelial cell 

          Examine a cross section of the esophagus with a compound microscope. There is a lot of muscle here. What is this muscle for?
What cells is the red, dashed line tracing over?
Layer rnal muscle submucosa (mucosa lumen)
Hint: What type of epithelial cells?
Stratified Squamous Epithelial cell
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Added by Jasmine S.

Biology for AP Courses
Biology for AP Courses
Julianne Zedalis, John Eggebrecht
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Examine a cross section of the esophagus with a compound microscope. There is a lot of muscle here. What is this muscle for? What cells is the red, dashed line tracing over? Layer rnal muscle submucosa (mucosa lumen) Hint: What type of epithelial cells? Stratified Squamous Epithelial cell
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Transcript

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00:01 The question that is given over here, it says that we have to examine the cross section of esophagus with a compound microscope.
00:14 There is a lot of muscles there and we have to describe why these muscles are present.
00:21 In the given diagram, as we can see that there are three muscles present.
00:25 First one is mucosa.
00:30 Second one is subneuroposa.
00:38 And the third one is the external muscle layer.
00:52 The lumen is covered by the neocosa, it is an epithelial layer, it consists of the gland, blood vessels, and also the nerves.
01:22 If we see about the subneucosa, it is an intermediate layer...
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