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Giardia lamblia
Giardia lamblia

... meeting new digestive systems, but it is equally important for me to maintain contact with previous acquaintances, so 20% of the world’s population is chronically infected with me. I take on two different forms to infect humans. When I am active inside the body, I am a trophozoite, and when I am res ...
Chapter 8, Section 2 Notes
Chapter 8, Section 2 Notes

Effective Use of Technology in Presentions
Effective Use of Technology in Presentions

... proliferating trophozoites or tachyzoites are usually seen in the early, more acute phages of the infection. The cysts are formed in chronic infections and are found primarily in muscle, brain and other organs. It is a result of the host ...
Sc9 - a 1.2 (teacher notes)
Sc9 - a 1.2 (teacher notes)

... environment in order to survive and prosper. Food chains and Food webs represent different types of ongoing relationships between and among all the organisms, within a particular environment. ...
Symbioses and Parasitism - Powerpoint for Oct. 23.
Symbioses and Parasitism - Powerpoint for Oct. 23.

Lecture_9_Jan 22_2015_Coccidia
Lecture_9_Jan 22_2015_Coccidia

... (2N) condition. Soon after fertilization, a delicate membrane forms around the zygote and two types of wall-forming bodies develop in the cytoplasm; these migrate toward, and then fuse with, the surface membranes to form the resistant oocyst wall. When the oocyst wall is fully formed, the oocyst rup ...
Protozoa Apicomplexa SarcomastigophoraCiliophora
Protozoa Apicomplexa SarcomastigophoraCiliophora

... (2N) condition. Soon after fertilization, a delicate membrane forms around the zygote and two types of wall-forming bodies develop in the cytoplasm; these migrate toward, and then fuse with, the surface membranes to form the resistant oocyst wall. When the oocyst wall is fully formed, the oocyst rup ...
Symbiosis
Symbiosis

... "hit and run" parasites that live in their host for a brief period and then move on to another with or without killing the first to parasites that establish chronic infections. Both parasite and host must evolve to ensure the survival of both because if the parasite kills its host before it can move ...
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CH-4 Sect 4

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4. Other Infectious Microbes

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Predation, Mutualism, Commensalism, or Parasitism

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Host Altered Behavior

... Brazilian cottontail rabbit Sylvilagus brasilensis carried a benign myxoma virus which, when injected into an Oryctolagus cunniculus hare caused cancers that quickly killed the rabbits. Released in 1951, epidemic killed 99.9% of bunnies but, rabbits being rabbits, bred like bunnies, and soon there ...
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Chapter Outline

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87 XXII. Brood Parasites (No Chapter) A. Definition 1. Organisms

... Parasitic queen invades hive of a host species b. Kills queen of host species c. Eggs laid by parasitic queen species are cared for by host workers ...
Infectious Myositis
Infectious Myositis

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Predation, Mutualism, Commensalism, or Parasitism

... Commensalism is a relationship between two living organisms where one benefits and the other is neither harmed nor helped. ...
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Swine influenza (SwIV) is considered a zoonosis and the fact that

... pathogen-associateti molecular patterns (PAMPs). Furthermore, there is growing evidence that the so-called"early" cytokines play an important role in influenza virus (IV) infection. Thus, porcine DCs were exposed to different circulating IV in vitro showing a differential wave of cytokines released ...
Community Ecology
Community Ecology

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Bertiella - Erin DeLaney for ParaSites
Bertiella - Erin DeLaney for ParaSites

... anatomical structures, and are in stages of mature, postmature and gravid. In general, human Bertiella morphology is not well understood due to the rarity of infection, and therefore limited possibility for study and observation. Particularly lacking are descriptions of adult stages of the species. ...
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CHAIN OF INFECTION

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Helpful Background Information for Teachers
Helpful Background Information for Teachers

How Organisms Interact in Communities
How Organisms Interact in Communities

... Interactions between flowers and pollinators (birds/insects) ...
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Sarcocystis



Sarcocystis is a genus of protozoa. Species in this genus are parasites, the majority infecting mammals, and some infecting reptiles and birds.The life-cycle of a typical member of this genus involves two host species, a definitive host and an intermediate host. Often the definitive host is a predator and the intermediate host is its prey. The parasite reproduces sexually in the gut of the definitive host, is passed with the feces and ingested by the intermediate host. There it eventually enters muscle tissue. When the intermediate host is eaten by the definitive host, the cycle is completed. The definitive host usually does not show any symptoms of infection, but the intermediate host does.There are about 130 recognised species in this genus. Revision of the taxonomy of the genus is ongoing, and it is possible that all the currently recognised species may in fact be a much smaller number of species that can infect multiple hosts.The name Sarcocystis is dervived from Greek: sarx = flesh and kystis = bladder.
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