Mostly a parasite, on gaining entry into the body of the host, migrates within the host body in search of a suitable site and finally becomes established in that region of the host body where it lives and reproduces. However, sometimes the parasite happens to reach a place which is not its usual site of [...]
These are permanent parasites since they have lost the power for an independent life and cannot survive in absence of the host.
The parasites which are adapted to both the kinds of life styles, that is, to a parasitic mode of life and to a independent life, are often called as facultative parasites.
The parasites which are found in the hosts other than those which they normally inhabit are referred as accidental parasites. In other words, those parasites which attack unusual hosts are accidental parasites.
The endoparasites are those which live inside the body of the host. According to the tissue or the place they inhabit the endoparasites may be grouped into various categories. The parasites of the alimentary canal are commonly called as entozoic parasites. The parasites invading the tissues of the host are histozoic and those living in [...]
