This distinction is often overlooked and all the cases incorrectly referred to as those in which the insect or other arthropod acts as intermediate host.
On the other hand, Donovan was unable to confirm Patton's work and believes that the true intermediate host is a Reduviid bug, Conorhinus rubrofasciatus.
This indicates that in the meantime the parasite has been undergoing some phase of its life-cycle and that the fly serves as an intermediate host.
In other cases, it is the asexual stage of the parasite which is undergone, and the arthropod then acts as the intermediate host.
The circumstance that ripe ova of the Bothriocephalus always contain six-hooked embryos, must alone imply that an intermediate host is necessary for the formation of Cysticerci or measles.
The olulanised mouse is thus an intermediate host.
Scolex forms, without a caudal vesicle, are found in the mantle cavity of Cephalopoda, and appear to be occupying an intermediate host in their passage from the host of the cystic worm to that of the sexual form.
In the case of Distomum cygnoides, parasitic in the bladder of the Frog, the Cercaria passes directly into the adult host without the intervention of an intermediate host.
It was not ciliated, and was without a caudal vesicle; and was no doubt actively migrating from an intermediate host to its permanent host.
The second group of parasitic Nematodes with two hosts may be divided into two groups, according to whether the larva has a free existence before passing into its first or intermediate host, or is taken into it while still in the egg.
The restriction as regards altitude, however, probably depends upon the fact that the mosquito which serves as an intermediate host is a coast species, which does not live in elevated regions.
Having for years given much thought to this subject, I became some time since impressed with the view that probably in yellow fever, as in the malarial fevers, there is an "intermediate host.
The question is whether malarial fevers can be contracted in marshy localities independently of the mosquito, which has been demonstrated to be an intermediate host of the malarial parasite?
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "intermediate host" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
