Disease Causing Nematodes:

Following are the common disease causing Nematodes.



(1) Pin Worm:

Enterobious vermicularis commonly known as pin worm is cosmopolitan but more common in Europe and America.

Pinworms are parasites in the human caecum colon and appendix.

Their movement cause intense itching of anus inflammation of mucous membrane of colon and appendix resulting in insomnia and loss of appetite.

(2) Round Worm:

The round worm is an intestinal parasite of man.

Once the round worm is in the intestine it may makes a hole in the wall of intestine and enters the body cavity. From here it may penetrate in the liver heart and lung and causes death.

If both male and female are together they reproduce and their number may increase to an extent that passage of intestine is blocked leading to death.

Genus rhabditis contains numerous species normally found in soil organic matter or water feces of man or animals.

(3) Hook Worm:

The hook worm is a parasite of human small intestine in Asia North Africa and Europe.

It is a very harmful because it holds the villi of intestine and sucks blood and body fluid. During feeding leave the wound bleeding.

In children it can cause severe anemia and retard physical and mental growth.

Do you know?

Round worms are present almost everywhere and play an important role in breaking down organic matter.

A single rotting apple may contain 90,000 worms.

Billions thhrive in each acre of topsoil.