Multiple choice

Outermost layer of alimentary canal is known as

  1. Muscularis

  2. Serosa

  3. Mucosa

  4. Sub-mucosa

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The wall of alimentary canal from oesophagus to rectum possesses four layers; namely outer serosa, second muscularis, third sub-mucosa and inner mucosa.