alimentary canal

Let us learn about alimentary canal

Alimentary canal is also known as digestive tract, pathway by which food enters the body & solid wastes are expelled. The alimentary canal consists of the mouth, pharynx, esophagus, stomach, large intestine, small intestine, & anus. Alimentary canal is a membrane-lined tube through which food passes & from which wastes are eliminated from the body.

The alimentary canal is referred as a hollow tube of varying diameter, consisting of the esophagus, stomach, small intestine, & large intestine. Alimentary canal has the same basic structural organization throughout its length, in which it always consists of the following 4 layers: (1) the submucosa, (2) the mucosa, (3) the muscularis externa & (4) the adventitia or serosa. Although these 4 layers are always present, they can be strikingly different in appearance in different parts of the alimentary canal. The mucosa, in particular, shows great variability

In our next blog we shall learn about polythene I hope the above explanation was useful.Keep reading and leave your comments.