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4 Cards in this Set
- Front
- Back
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What are parasites? |
obtainfood and shelter by living on or within another organism. obligate whenit can live only in association with a host or it is classified as facultative whenit can live both in or on a host as well as in a free form. |
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What are the two properties of the Variant surface glycoprotein coat that allow immune evasion |
Shielding Periodicantigenicvariation |
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Malaria sexual form of parasite |
P. falciparum |
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Explain the malaria infection cycle |
P. falciparum resideswithin the salivary glandofthe mosquito -sporozoite stage mosquitotakes its blood meal, it injects a small amount of saliva into the skin wound - antihemostaticand anti-inflammatory Blood Sporozoite enter liver cells Merozoites released from liver cells - enter rbc and reproduce - burst rbcs. Merozoites produce gametocytes - taken up by a biting mosquito gametocytes produce gametes - form diploid zygote. Divides in gut, produces haploid sporozoites. |
