The Mesonephros of Cat and Sheep: Comparative Morphological and Histochemical Studies

ISBN-13: 9783540077794 / Angielski / Miękka / 1976 / 122 str.

K. Tiedemann

Opis

Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Comments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Innervation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Comments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Juxtaglomerular Complex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Comments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Enzyme Histochemical Investigations of the Mesonephric Nephron . . . . . . . . . . 75 Succinic Dehydrogenase, NAD- and NADP.Diaphorases . . . . . . . . . . . . . . 75 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " 75 Materials and Methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Comments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Peroxisomes and Microperoxisomes . . . . . . . . . . . . . . . . . . . . . . . . . " 82 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Materials and Methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Comments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Biochemical Assay of Adenosine Triphosphatase in Mesonephric Homogenates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Materials and Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Comments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Histotopochemical, Ught. and Electron Microscopical Demonstration of Adenosine Triphosphatase Activity . . . . . . . . . . . . . . . . . . . . . . . . . 93 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 Materials and Methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Comments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Glomerular Filtration and Tubular Reabsorption of Horseradish Peroxidase as Tracer.Protein . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Materials and Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 Conclusion and Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 Subject Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 6 Introduction During the past 20 years, whilst electron microscopy and histochemistry have made great advances in many fields, their application to the mammalian mesonephros has been very limited. The few publications that have been made on this subject have been almost entirely concerned with the human and the rabbit, although the meso nephros in these species is very poorly developed when compared with that of the cat and sheep."

Spis treści

Cat and Sheep Mesonephros.- Man, Rabbit and Pig Mesonephros.- Chick Mesonephros.- Materials and Methods.- Results.- First Appearance, Position, and Construction of the Cat Mesonephros.- Nephron Architecture and Subdivision of the Nephron of the Cat Mesonephros.- Nephron Architecture and Subdivision of the Nephron of the Sheep Mesonephros.- Comments.- Structure and Ultrastructure of the Tubular Epithelium.- Material and Methods.- Cat Mesonephros, 17th day.- Cat Mesonephros, 18th–21st day.- Proximal Tubule.- Distal Tubule and Collecting Tubule.- Wolffian Duct.- Cat Mesonephros, 23rd–40th day.- Proximal Tubule.- Distal Tubule.- Collecting Tubulev.- Wolffian Duct.- Sheep Mesonephros.- Material and Methods.- Proximal Tubule.- Distal Tubule, Wide Segment.- Distal Tubule, Narrow Segment.- Collecting Tubule.- Wolffian Duct.- Comment on the Structure of the Tubular Epithelium.- Light and Electron Microscopical Investigations of the Mesonephric Corpuscle.- Mesonephros of the Cat.- Mesonephros of the Sheep.- Comment on the Structure of the Mesonephric Corpuscle.- Notes on the Vascularization, Innervation, and on the Juxtaglomerular Complex.- Vascularization.- Results.- Comments.- Innervation.- Results.- Comments.- Juxtaglomerular Complex.- Results.- Comments.- Enzyme Histochemical Investigations of the Mesonephric Nephron.- Succinic Dehydrogenase, NAD- and NADP-Diaphorases.- Materials and Methods.- Results.- Comments.- Peroxisomes and Microperoxisomes.- Materials and Methods.- Results.- Comments.- Biochemical Assay of Adenosine Triphosphatase in Mesonephric Homogenates.- Materials and Methods.- Results.- Comments.- Histotopochemical, Light- and Electron Microscopical Demonstration of Adenosine Triphosphatase Activity.- Materials and Methods.- Results.- Comments.- Glomerular Filtration and Tubular Reabsorption of Horseradish Peroxidase as Tracer-Protein.- Materials and Methods.- Results.- Comments.- Conclusion and Summary.