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Microscopia óptica e eletrônica do corpúsculo de Stannius do curimbatá (Prochilodus scrofa Steindachner, 1881) (Osteichthyes, Cypriniformes, Prochilodontidae)

Resumo

The Stannius corpuscles of Prochilodus scrofa are studied microscopically (both optically and electronically) as well as macroscopically. Two CS, and sometimes 3 or 4, are found per animal. They are pink-coloured organs, rounded in shape and scattered laterally in the first anterior third of the kidney. Each CS is enveloped by a thick connective tissue capsule. The grandular parenchyma consists of only one cellular (PAS-/AF-) type, cylindrical in shape, with oval or rounded nucleus located eccentrically with visible nucleolus. The ultrastructural description is as follows: well developed Golgi complexes, rough endoplasmic reticulum and mitochondria in moderate quantities. Electron-dense granules numerous. CS highly vascularized.


Microscopia óptica e eletrônica do corpúsculo de Stannius do curimbatá (Prochilodus scrofa Steindachner, 1881) (Osteichthyes, Cypriniformes, Prochilodontidae)

Elza Ferreira Goldman PinheiroI; Agar Costa AlexandrinoI; Silvio FerriII

IDivisão de Pesca Interior, Instituto de Pesca, Coordenadoria da Pesquisa de Recursos Naturais, Secretaria da Agricultura do Estado de São Paulo, São Paulo, SP

IIDepartamento de Histologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP

ABSTRACT

The Stannius corpuscles of Prochilodus scrofa are studied microscopically (both optically and electronically) as well as macroscopically. Two CS, and sometimes 3 or 4, are found per animal. They are pink-coloured organs, rounded in shape and scattered laterally in the first anterior third of the kidney. Each CS is enveloped by a thick connective tissue capsule. The grandular parenchyma consists of only one cellular (PAS-/AF-) type, cylindrical in shape, with oval or rounded nucleus located eccentrically with visible nucleolus. The ultrastructural description is as follows: well developed Golgi complexes, rough endoplasmic reticulum and mitochondria in moderate quantities. Electron-dense granules numerous. CS highly vascularized.

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Datas de Publicação

  • Publicação nesta coleção
    21 Ago 2009
  • Data do Fascículo
    1986
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