The Mesonephros of Cat and Sheep

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.