cercaria

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Words related to cercaria

tadpole-shaped parasitic larva of a trematode worm

References in periodicals archive ?
2-4: Furcocercaria XIX (2: cercarial body, 3: cercaria and tail in ventral view, 4: resting position); 5-7: Furcocercaria V (5: cercarial body, 6: cercaria and tail in ventral view; 7: resting position); 8-11: Furcocercaria XX (8: cercarial body in ventral view, showing the penetration gland-cells, 9: cercarial body in ventral view, showing the excretory system, 10: cercaria and tail in ventral view, 11: resting position).
Haplorchid metacercariae were abundantly reported in many freshwater fish in Taiwan and caused cercarial infection in the eye of eel; histopathologic sections showed numerous metacercariae in the muscle tissues, subcutaneous tissue, and cartilage, and edema and hemorrhage were seen in the eye (20,22).
Cercarial dermatitis, or swimmer's (duck hunter's) itch, has occurred in seasonal outbreaks in swimmers in freshwater lakes and rivers whose resident or migratory waterfowl are infected with avian schistosomes (Figure 3).
The influence of temperature on the succession of redial and cercarial generations of Fasciola gigantic in a snail host.
Preliminary phylogenetic analysis using ITS2 rDNA sequence data derived from infections in Alabama rivers indicated that cercarial and adult specimens collected from Terrapin Creek were conspecific, and that, given the genetic variation of sequence data, other putatively unnamed species of Proterometra range in Alabama.
Global warming and temperature-mediated increases in cercarial emergence in trematode parasites.
Studies conclude that topical formulations that block cercarial penetration may be used as prophylactic drugs in endemic regions (Pinto et al.
In the venous blood, adult male and female worms mate, and the female lays eggs 4 to 6 weeks after cercarial penetration.
Effect of temperature on emergence, survival and infecting cercarial of the marine trematode Renicola rescovita (Digenea: Renicolidae).
4) The infection is usually acquired via contact with freshwater that contains infectious, free-living, cercarial larvae.
Since transmission is a major determinant of parasite fitness, perhaps other factors, such as local host population dynamics, fish feeding habits, strategies in cercarial release from first intermediate hosts and also the type of fresh water environments (lotic or lentic environment), would be primarily influencing success in parasite transmission.
While discrete receptor cells have yet to be characterized, the presence of photo/gravity/pressure receptors in the eye-spots or elsewhere may influence behavioral responses that affect cercarial swimming, such as the ascent of Euhaplorchis cercariae upon emergence from benthic snails toward their second intermediate host fish in the water column (Cable, 1972; Combes et al.