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Chapter 8: Problem 34

Match each statement to a layer of the wall of the esophagus in the key. Answers may be used more than once. a. mucosa b. submucosa c. muscularis d. serosa Two layers of smooth muscle

Short Answer

Expert verified
The statement "Two layers of smooth muscle" matches the layer c. muscularis of the esophagus wall.

Step by step solution

01

Understanding the layers of the esophagus wall

The esophagus wall has four layers: mucosa, submucosa, muscularis, and serosa. The mucosa is the innermost layer that lines the esophagus, the submucosa is a layer of connective tissue, the muscularis is made up of smooth muscles, and the serosa is the outermost layer made up of connective tissue.
02

Match statement to mucosa

The statement "Two layers of smooth muscle" doesn't belong to mucosa, as mucosa is composed of epithelial tissue, not smooth muscle.
03

Match statement to submucosa

The statement "Two layers of smooth muscle" doesn't belong to the submucosa either since it is primarily made up of connective tissue with some blood vessels and nerves.
04

Match statement to muscularis

The muscularis layer is made up of smooth muscles. As the statement "Two layers of smooth muscle" refers to muscle layers, this statement matches with the muscularis layer of the esophagus wall. So the answer is c. muscularis.
05

Match statement to serosa

Since we have already matched the statement "Two layers of smooth muscle" to the muscularis layer, it doesn't belong to the serosa layer. The serosa layer is composed of connective tissue, not muscles. In conclusion, the statement "Two layers of smooth muscle" matches the layer c. muscularis of the esophagus wall.

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Most popular questions from this chapter

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