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InterviewSolution
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In the wall of alimentry canal which is/are is true sequence from outer to innerA. Serosa, longitudenal muscle, mucosa, sub mucosaB. Mucosa, serosa, long muscleC. Serosa, long muscle, circular, sub-mucosa, mucosaD. Serosa,long muscle, circular, sub-mucosa, mucosa |
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Answer» Correct Answer - C (c) The wall of alimentary canal is made up of four basic layers. First of all there is serosa which is a thin membranous convering around oesophagus. Then there is muscle layer of longitudinal muscles and inner layer of circular muscles . Last there is submucosa which contains a few oesophageal glands. Then comes mucosa which have several layers of flattened cells. |
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