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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Relatamos a fenda cervical mediana utilizando os dois casos acima com o objetivo de descrever na literatura nacional essa rara anomalia do aparelho branquial. Utilizaram-se 33 exemplares de C. Standard Methods for the Examination of Water and Wastewater. Mid-line cervical cleft with a broncogenic cyst. Its considered an anomaly originated from the two first branchial arches. Ann Otol Rhinol Laryngol ; Many authors recommend avoid linear closure and prefer multiple Z-plasty for evicted fibrosis and local retraction.

Histopathological biomarkers in estuarine fish species for the assessment of biological effects of contaminants.

Arco faríngeo

Caso 2 Paciente do sexo masculino e 4 meses de idade. Tagliarini I ; Emanuel C. Services on Demand Journal. Congenital Midline Cervical Cleft.

Parathyroid cysts: diagnosis and treatment

Recebido em 26 de outubro de Aceito em 21 de outubro de How to cite this article. Figura 2A e 2B. The midline cervical cleft. This anomaly is report in association with median cleft of lower lip, cleft mandible and tongue, and hypoplasia of other midline neck structures.


Congenital Midline Cervical Cleft with subcutaneous fibrous cord. The midline cervical cleft is an unusual congenital anomaly of the ventral neck and fewer than cases have been reported overall and the first described by Bailey in 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 treatment of this cleft is a vertical complete excision and a closure with multiple Z-plasty. Otolaryngol Head Neck Surg ; 1: 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.

Ionic transport in the fish gill epithelium. Breton P, Freidel M. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Metallothionein response in gills of Oreochromis mossambicus exposed to copper in fresh water. Integrative histopathological approaches to detecting effects of environmental stressors on fishes.


J Otolaryngol ; 21 4: Congenital midline cervical cleft- A rare clinical entity. Fish gills as a monitor of sublethal and chronic effects of pollution. Cada arco branquial tem uma estrutura cartilaginosa e possui uma fileira dupla de filamentos branquiais que se subdividem em lamelas branquiais, onde ocorre o processo de trocas gasosas Fig.

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 a probable parasite-host-environment imbalance associated with the environment’s low quality.

Congenital mid-line cervical cleft. Am J Surg ; 3: Plast Reconstr Surg ; 76 8: Pediatr Dermatol ; 17 2: Clinical Pediatrics ; 40 6: Foram realizadas dosagens de TSH e T4 que estavam normais.

Em torno de casos foram relatados na literatura, sendo o primeiro caso descrito por Bailey em Acta Scientiarumv. Int J Pediatr Otorhinolaryngol ; 40 How to cite this article.

The mean IAH obtained was Services on Demand Journal. Systematic review of the genus Centropomus commonly known as snook.