食管由里向外依次为

食管由里向外依次为

A.黏膜层、黏膜下层、肌层、纤维层

B.黏膜层、固有层、肌层、浆膜层

C.黏膜层、肌层、外膜层、固有层

D.黏膜层、黏膜下层、肌层、浆膜层

E.黏膜层、滑膜层、肌层、纤维层

正确答案:C

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