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Question: Answered & Verified by Expert
In the wall of alimentary canal, what is the actual sequence from outer to inner
BiologyDigestion and AbsorptionJIPMERJIPMER 2005
Options:
  • A serosa, longitudinal muscle, mucosa, submucosa
  • B mucosa, serosa, long muscle
  • C serosa, long muscle, circular, submucosa, mucosa
  • D serosa, long muscle, submucosa, mucosa
Solution:
1037 Upvotes Verified Answer
The correct answer is: serosa, long muscle, circular, submucosa, mucosa
The wall of alimentary canal is made up of four basic layers. Ist of all there is serosa which is a thin membranous covering around oesophagus. Then there is muscle layer-outer 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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