In the wall of alimentary canal, what is the actual sequence from outer to inner?

Question

In the wall of alimentary canal, what is the actual sequence from outer to inner? (A) Serosa, longitudinal muscle, mucosa, submucosa (B) Mucosa, serosa, longitudinal muscle (C) Serosa, longitudinal muscle, circular muscle, submucosa, mucosa (D) Serosa, longitudinal muscle, submucosa, mucosa

Tardigrade Admin · Accepted Answer

First 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 glands. Then comes mucosa, which has several layers of flattened cells.

Q. In the wall of alimentary canal, what is the actual sequence from outer to inner?

Serosa, longitudinal muscle, mucosa, submucosa

Mucosa, serosa, longitudinal muscle

Serosa, longitudinal muscle, circular muscle, submucosa, mucosa

Serosa, longitudinal muscle, submucosa, mucosa

First 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 glands. Then comes mucosa, which has several layers of flattened cells.