Typical Characteristics of Parasites

33 %
67 %
Information about Typical Characteristics of Parasites

Published on February 20, 2014

Author: PakRose1

Source: slideshare.net


13 TYPICAL CHARACTERISTICS OF PARASITES 1. Some parasites are highly reproductive; eg. Multiple fission in Apicomplexa. . Hermaphrodism of Trematodes. 2. Often have unique morphological or physiological specialization, loss of structures,etc. a. Loss of digestive track of Tapeworms b. Loss of wings of fleas & lice c. Loss of many sensory structures of Nematodes d. Development of special hold fast organs; teeth , hooks , clamps e. Production of anti-coagulation in Leeches

13 3 – Often special site specificity 4 – Usually, but not always, non-lethal to host 5 – Generally much numerous than host 6 – Generally much smaller than host 7 – Evolve method of invading host immune system; Antigenic variation of Trypnosomes  Tough teguments of Acanthocephalans  Intracellular habitat of Coccidia & Trichinella larvae  Encystment Ability to cleave antibodies or consume complement 

13 8 – many parasites are being shown to change the host behavior. Scientists believe = ?

13 FATE OF PARASITE IN FOREIGN HOST When a parasite attacks on a foreign host one of the following may happen; a. it may be killed at once. b. it may be survive for a longer or shorter duration but not multiply. c. it may develop to maturity, if so ,may not cause disease. OOOOOPssssss!!!!!!! The commonest fate of parasite in foreign host is DEATH 

13 Thanks

Add a comment

Related presentations

Related pages

parasite :: Characteristics -- Kids Encyclopedia ...

parasite, Characteristics: As originally defined, parasites included any organisms that live by drawing food from a host organism. Defined in this broad ...
Read more

CDC - Parasites - Features - Centers for Disease Control ...

A parasite is an organism that lives on or in a host and gets its food from or at the expense of its host. Parasites can cause disease in humans.
Read more

Apicomplexa - Wikipedia, the free encyclopedia

In the typical gregarine lifecycle, a trophozoite develops within a host cell into a schizont. ... Within the Apicomplexa are three suborders of parasites:
Read more

Parasitism - Wikipedia, the free encyclopedia

In biology/ecology, parasitism is a non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the ...
Read more

The characteristics of highly effective parasites, Monash ...

The characteristics of highly effective parasites. ... parasites in New Zealand to determine their origins and the characteristics that led to their ...
Read more

Typical Characteristics of Parasites | Riphah VetS

If you like the Discussion, Please Share it with your friends... Posted 20th February 2014 by Osama Zahid. Labels: 3rd Semester Lectures Parasitology
Read more

What are the characteristics of a successful parasite?

What are the characteristics of a successful parasite? A: Quick Answer. Successful parasites are small and adept at entering their hosts without being ...
Read more

Diversity and characteristics of primate parasites ...

It identifies the parasite characteristics that are most important to understanding patterns of ... 2 Diversity and characteristics of primate parasites;
Read more

Chapter 9. Malaria - Public Health Information and ...

The malaria parasite life cycle involves two ... they have assumed their typical crescent shapes ... Characteristics of Plasmodium parasites ...
Read more