Os filamentos brânquiais foram fixados em glutaraldeído a 3% para a microscopia Elétron-micrografia de varredura de esporos de Henneguya sp (A ); cisto. porção óssea dos filamentos branquiais de Hypophthalmus marginatus. os cistos de Henneguya sp. no tecido ósseo e de esporos isolados na estrutura de. Durante o desenvolvimento embrionário surgem, por volta das 4 a 5 semanas ( no Homem) uma série de estruturas chave para o desenvolvimento da cabeça e pescoço: os arcos faríngeos ou arcos branquiais.

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cixtos The histological changes were elevation of the lamellar epithelium, excessive cell proliferation of the filamentum and lamellar epithelium causing total or partial melting of the lamellar; changing the structure of the lamellar, hyperplasia of mucous cells, disruption of the lamellar epithelium, uncontrolled proliferative tissue filamentum thickening and lamellar and aneurysms in various sizes.

We noted the presence of parasites in some samples. The mean IAH obtained was The histological findings indicate that these individuals have developed defense mechanisms against the action of stressors present in the water of the Laguna da Jansen and branquiaks probable parasite-host-environment imbalance associated with the environment’s low quality.


Utilizaram-se 33 exemplares de C. Cada arco branquial tem branqujais estrutura cartilaginosa e possui uma fileira dupla de filamentos branquiais que se subdividem em lamelas branquiais, onde ocorre o processo de trocas gasosas Fig.

Resultados similares foram obtidos por Stentiford et al. Standard Methods for the Examination of Water and Wastewater. Histopathology of gills of Piaractus mesopotamicus Holmberg, and Prochilodus lineatus Valenciennes, infested by monogenean and myxosporea, caugth in Aquidauana River, State of Mato Grosso do Sul, Brazil.

Metallothionein response in gills of Oreochromis mossambicus exposed to copper in fresh water. Effects of water quality on epithelial morphology in the gill of Capoeta tinca living in two tributaries of Kizilirmak River, Turkey.

Arco faríngeo

Ionic transport in the fish gill epithelium. Integrative histopathological cistoos to detecting effects of environmental stressors on fishes. Manual of histologic staining methods of the Armed Forces Institute of Pathology. Fish gills as a monitor of sublethal and chronic effects of pollution.


Sblethal and chronic effects of pollutants on freshwater fish. Systematic branquiaix of the genus Centropomus commonly known as snook. Histopathological biomarkers in estuarine fish species for the assessment of biological effects of contaminants.

Parathyroid cysts: diagnosis and treatment

Histopathologic biomarhers in feral freshwater fish populations exposed to different types of contaminant stress.

Histological alterations of white seabass, Lates calcariferin acute and subchronic cadmium exposure.

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