An indirect life cycle is a type of a life cycle wherein a parasite is transmitted from one host to another by using a vector or by an intermediate host of another species. A parasite with an indirect life cycle would therefore require more than one type of host species to complete their life cycle. 26 февр. 2021 г.
What is meant by direct and indirect life cycle?
The key difference between direct lifecycle and indirect lifecycle is that, in the direct lifecycle, the simple parasite lives their lifespan and reproduces within one host while in the indirect lifecycle, the complex parasites live in many numbers of hosts during the completion of their life cycle.
What is a direct life cycle of parasites?
Direct - a life cycle in which a parasite is transmitted directly from one host to the next without an intermediate host or vector of another species.
What parasite has an indirect life cycle?
Some filarial nematodes, Plasmodium, and Leishmania are examples of parasites with indirect life cycles. Reservoir hosts typically tolerate parasites with no ill effects; however, the introduction of a new host into a population of reservoir hosts will often result in severe disease in the newly introduced host.
What is nematode indirect life cycle?
The indirect life cycle involves an intermediate host. The first two moults usually occur in the intermediate host. Infection of the definitive host is either via ingestion of the intermediate host or by inoculation of the L3 by an intermediate host such as an insect.
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