1. Acetylcholinesterase activity in the normal and retino-deprived optic tectum of the quail

   • F. Ciani
   • A. Contestabile
   • L. Villani

   OriginalPaper Pages: 81 - 95

2. Meldola Blue: A new electron carrier for the histochemical demonstration of dehydrogenases (SDH, LDH, G-6-PDH)

   • P. Kugler
   • K. -H. Wrobel

   OriginalPaper Pages: 97 - 109

3. Combination of metallic impregnation and autoradiography of brain sections

   • H. Korr

   OriginalPaper Pages: 111 - 116

4. Intracellular and intramitochondrial binding of lanthanum in dark degenerating midgut cells of a collembolan (Insect)

   • W. Humbert

   OriginalPaper Pages: 117 - 128

5. Influence of autolysis on rat gastric endocrine cells

   • M. Zaviačič
   • M. Brozman
   • J. Jakubovský

   OriginalPaper Pages: 129 - 139

6. The location of non-specific esterase in human lung macrophages

   • F. Jaubert
   • J. P. Monnet
   • C. Nezelof

   OriginalPaper Pages: 141 - 147

7. Polarization and fluorescent microscopy —Simple methods for demonstrating pulmonary surfactant lipids

   • Árpád Németh

   Short Communication Pages: 149 - 151