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	Provedor de dados Biocell (2) Autor Farías,Alejandro (2) Fiorito,Luisa E. (1) Fiorito,Luisa Eleonora (1) Hermida,Gladys N. (1) Hermida,Gladys Noemí (1) Palavra-chave Amphibia (1) Amphibian (1) Electronic microscopic (1) Kidney (1) Lung ultrastructure (1) Renal tubules (1) Respiratory epithelium (1) Toad (1) Ultrastructure (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2003 (1) 2002 (1) País Argentina (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Ultrastructural characteristics of the lung of Melanophryniscus stelzneri stelzneri (Weyenberg, 1875) (Anura, Bufonidae) Biocell Hermida,Gladys N.; Farías,Alejandro; Fiorito,Luisa E.. The lung of the toad, Melanophryniscus stelzneri stelzneri was studied using scanning and transmission electron microscopy. In M.s.stelzneri the parenchyma forms a polygonal network arrangement, therefore the parenchyma is edicular. These spaces are delimited by the interconnection of third order septa which are covered by respiratory epithelium. Small patches of ciliated epithelium without goblet cells appear irregularly distributed on the septa. The respiratory epithelium consists of one type of pneumocyte, which shows characteristics of both type I and type II alveolar cells of higher vertebrates. The pneumocytes are irregular in shape and possess attenuated cytoplasmic processes, which spread around the capillaries to form the outer layer of the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Lung ultrastructure; Respiratory epithelium; Electronic microscopic; Toad; Amphibian. Ano: 2002 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452002000300005 Structure of the kidney of Bufo arenarum: Intermediate segment, distal tubule and collecting tubule Biocell Farías,Alejandro; Hermida,Gladys Noemí; Fiorito,Luisa Eleonora. The ultrastructure of the intermediate segment (IS), distal tubule and collecting tubule (CT) of the south american toad Bufo arenarum, was studied by light and transmission electron microscopy. The IS is composed of cubical ciliated cells which propel the urine along the renal tubule. The distal tubule is divided into two portions: the early distal tubule (EDT) and the late distal tubule (LDT). The EDT is characterized by only one type of cells with well developed basolateral interdigitations and numerous elongated mitochondria, which are oriented normal to the basal surface. The "macula densa - like" is a specialized zone of the EDT in contact with the vascular pole, where cells are more tightly packed than in the rest of the tubule. The LDT shows two... Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibia; Kidney; Ultrastructure; Renal tubules. Ano: 2003 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452003000100003 Registros recuperados: 2 Primeira ... 1 ... Última

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