What is a definitive host vs intermediate host?

What is a definitive host example?

A big examples of definitive hosts are humans, which can harbor viruses, bacteria, and worm-like parasites like the pinworm, whip-worm, and some tapeworms. Plasmodium; the malaria parasite requires both humans and the mosquito, but its definitive host is the mosquito.

What is a definite host?

Definition of definitive host

: the host in which the sexual reproduction of a parasite takes place — compare intermediate host sense 1.

What is intermediate host?

1 : a host which is normally used by a parasite in the course of its life cycle and in which it may multiply asexually but not sexually — compare definitive host.

Which is definitive host?

The definitive host refers to the organism wherein the parasite reaches its mature form. Thus, the parasite at this stage is typically capable of reproduction. For example, human tapeworm makes use of human as its definitive host.

What is the intermediate host of malaria?

The intermediate host of malarial parasites is a mosquito of the genus anopheles that can infect humans and other mammals. Malaria is caused by mainly the protozoan parasite Plasmodium.

What is the difference between vector and intermediate host?

Because they play different roles in parasite life cycles, it seems appropriate that these different host types (vectors, which transmit a parasite or pathogen, and intermediate hosts, which are necessary for a parasite to complete its life cycle) should not necessarily be grouped under the same umbrella term.

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What is the intermediate host of the trematodes?

The digenean (two-host) life cycle of a parasitic trematode typically consists of a vertebrate primary host, in which sexual reproduction of the parasite occurs, and an intermediate host, typically an aquatic snail, in which the parasite reproduces asexually.

What are the different types of host?

Types of hosts

  • accidental host. a host that shelters an organism which does not usually parasitize that host.
  • incidental host (a.k.a. dead-end host) a host that shelters an organism but is unable to transmit the organism to a different host.
  • primary host (a.k.a. definitive/final host) …
  • reservoir host.

What is a definitive host in the life cycle of a parasite?

Definitive host. Host in which the parasite reaches the adult stage or undergoes sexual reproduction. If there is no sexual reproduction in the life of the parasite, the host most important to humans is the definitive host.

What are the examples of host?

An example of host is someone who gives a party. An example of host is a dog that has fleas. An example of host is the cracker used during communion. One who receives or entertains guests in a social or official capacity.