What is Euryxenous parasite?
What is Euryxenous parasite?
A monogenetic parasite is one where there is no alternation of generation (e.g. Parasites with a narrow host range are referred to as Stenoxenous e.g. Haematopinus suis in pigs and coccidia whereas parasites with a wide host range are known as Euryxenous parasites e.g. Toxoplasma gondi.
What is the meaning of facultative parasite?
noun, plural: facultative parasites. An organism that lives independent of a host but may occasionally be parasitic under certain conditions. Supplement. It is normally saprophytic or lives freely but can become parasitic on certain occasions, such as the flea.
What are aberrant parasites?
Aberrant parasite or wandering parasite- They infect a host where they cannot live or develop further e.g. Toxocara in humans.
What is a temporary parasite?
(1) Facultative parasite, see there. (2) A parasite that survives for a time after ingestion by a host species other than its customary host. (3) A parasite that is free-living during part of its life cycle.
What are the examples of facultative parasite?
Facultative parasites do not rely on the host in order to complete their life cycle; they can survive without the host, and only sometimes perform parasitic activities. Certain plants, fungi, animals, and microbes can be facultative parasites. A specific example is the nematode species Strongyloides stercoralis.
What is the difference between facultative parasite and obligate parasite?
An obligate parasite or holoparasite is a parasitic organism that cannot complete its life-cycle without exploiting a suitable host. This is opposed to a facultative parasite, which can act as a parasite but does not rely on its host to continue its life-cycle.
What is obligate parasite example?
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An obligate parasite is a parasite that entirely depends upon a host for its nourishment, reproduction, habitat, and survival. Examples: hookworm, Plasmodium, head louse, cuckoo paper wasp, Rafflesia. Synonym: obligatory parasite; holoparasite. Compare: facultative parasite.
Is there a difference between a parasite and pathogen?
Ans: A pathogen is a causative microorganism for any disease, whereas a parasite is a microorganism that depends on another host living organism for its life cycle. While doing so, it may or may not cause any disease or affect the health of a person in a detrimental manner.
Which is more abundant monoxenous or heteroxenou parasites?
In the present work, a greater diversity of heteroxenous parasites were encountered than monoxenous species (4 versus 2 species), although monoxenous parasites were more abundant (1536 versus 121 parasites). Medical browser ? Full browser ? is now available in paperback and eBook formats.
How are gondii parasites different from monoxenous parasites?
gondii is a heteroxenous parasite, it requires more than one host to complete the life cycle (Fig. In the present work, a greater diversity of heteroxenous parasites were encountered than monoxenous species (4 versus 2 species), although monoxenous parasites were more abundant (1536 versus 121 parasites).
Where does the word parasite come from in Greek?
The word parasite is derived from the Greek. It is made up of two words, “para” means “beside ” and “sitos” means “food”. Parasites are those organisms which live on or within some other living organisms, which is known as the host.
Where are coelozoic parasites found in the host?
Coelozoic parasites are found I the lumen of the intestine or other hollow organs of the hosts, e.g. Ascaris suum in the small intestine of pig and others. 1. Oviparous parasites females lay eggs, e.g. Ascaris, Ascaridia, Ancylostoma and others. 2.