Sentence examples for parasitic cycle from inspiring English sources

Ticks that complete the entire parasitic cycle on one host are monoxenous parasites, whereas tick that feed on two or more different hosts with an interval off the host between the feeds are heteroxenous.

We subsequently investigated whether this could be correlated to a stage-specific Δ9-desaturase activity throughout the whole asexual parasitic cycle.

In earlier studies, we proposed the integration of this diversity of forms in the Coccidioides spp. parasitic cycle.

Thus, at any given point of parasitic cycle, the infected host is exposed to immature, mature, and rupturing spherules, newly released endospores, arthroconidia, and mycelial forms.

The discovery of human cases of schistosomiasis proves that a human– Bulinus parasitic cycle exists in Corsica and suggests that a cattle– Bulinus cycle may also exist (13 ).

We present images of the parasitic polymorphisms of Coccidioides spp. observed in specimens from patients with cavitary chronic pulmonary coccidioidomycosis and their possible maturation and differentiation from these fungal structures during the parasitic cycle.

As already stated, the areas of low haemosporidian prevalence may indicate a deterioration of grassland ecosystems with an extirpation of most insect vectors or a disruption of parasitic cycles.

Thus there appears to be an important link between the parasitic life cycle and its biological development cycle.

Such host alternation is so common among parasites that many courses in parasitology are devoted largely to descriptions of parasitic life cycle and the sequences of host changes.

Upon their consumption by a suitable host, the larvae move from the digestive system to infect the respiratory tract of the animal, where they mature, reproduce, and perpetuate their parasitic life cycle.

Humans function as accidental hosts, because they are usually a dead-end for the parasitic infection cycle.