A) lamina propria and muscularis mucosa
B) submucosa and muscularis externa
C) submucosa and mucosa
D) mucosa and muscularis externa
Correct Answer: B
Solution :
Intestinal submucosa is a loose connective tissue layer which is richly supplied with blood and lymphatic blood vessels. This layer contains plexus of nerve cells and sympathetic nerve fibres called Missiners plexus or submucosal plexus. The plexus having nerve cells and parasympathetic fibres, located in the muscularis externa is known as Aurebachs or Myenteric plexus.
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