BIOL 12100 Lecture Notes - Lecture 24: African Trypanosomiasis, Tsetse Fly, Gravitropism
31 Aug 2018
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Parasites- an organism that obtains nutrients from a host of other species most often closely associated with the host (antagonistic interaction, ectoparasites-outside host, endoparasites- inside host, of all living species are parasites, human infections. Schistosomiasis 200 million ii: mal ria 500 million. Immune system 10 14 : model of host- parasite dynamics. A parasite population persist: will i, r= n iii. iv. v. R- average # of infected offspring that one host gives rise to: transmission into host, establishment in the host (evade the immune system, transmission adaptations, enormous reproductive potential i. Schistosoma mansoni causes schistosomiasis (blood parasite: huma/freshwater snail parasite, lifecycle: eggs, m/f worms make 400 eggs/day for 6 years 1 million, 1 million miracidium 2000 cercariae/day for 30 days , total: 60 billion cercariae/adults per couple. And get the ant/parasite: timing of infective stages. Rabbit flease do not reproduce until rabbit is pregnant (provides new host bunnies)
