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Emoparassitosi in Vertebrati non-mammiferi campani

Authors: DI SANTI, ANNALISA; BASILE, FILOMENA; A. CAROTENUTO; A. MAZZA; PICA, ALESSANDRA;

Emoparassitosi in Vertebrati non-mammiferi campani

Abstract

Lo studio comparato del sangue di vertebrati non mammiferi marini (Golfo di Napoli) e terrestri (Regione Campania) ha evidenziato che Haemogregarina è il parassita più comune in Pesci (Raja clavata, Torpedo marmorata, Scyliorhinus stellaris), Anfibi (Rana esculenta) e Rettili (Lacerta viridis, Podarcis muralis e sicula), osservabile nello 0,2 - 3,0% degli eritrociti. Haemogregarina (6x3 - 12x4 μm) può assumere una forma allungata con nucleo centrale o ad un polo e granuli citoplasmatici o una forma ovale meno frequente. In Raja clavata è stato osservato anche Tripanosoma rajae, plasmatico (33x3 μm) nello 0,2% degli eritrociti. In Rana esculenta sono state osservate anche rickettsie Aegyptianella ranarum (4 μm) nel 2% degli eritrociti. In Python regius è stato osservato Hepatozoon ayorgbor (14x3 μm) nel 2% degli eritrociti. Per la prima volta, sono stati osservati due casi di Teileriosi in Caretta caretta nel 25% degli eritrociti circolanti. In Uccelli (Columba livia) è frequente Haemoproteus (6x3 μm) nel 3% degli eritrociti. Tutti questi parassiti endoeritrocitari causano decentramento del nucleo e, per lo più, aumento del MCV. L’infezione abituale e lo sviluppo di un parassitismo in genere non patogenetico nei vertebrati non mammiferi, rende ragione del numero elevato di eosinofili circolanti in queste specie, anche non parassitate, che nei mammiferi invece è indice di eosinofilia.

Country
Italy
Related Organizations
Keywords

emoparassiti; eritrociti; vertebrati non mammiferi, vertebrati non mammiferi, eritrociti, emoparassiti

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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