1. Ultrastructure of the prothoracic gland of variously aged female pupae of Xyleborus ferrugineus and associated ecdysteroid titers

   • H. M. Chu
   • D. M. Norris
   • K. D. P. Rao

   OriginalPaper Pages: 1 - 8

2. Pinocytosis and locomotion of amoebae

   • Wolfgang Gawlitta
   • Wilhelm Stockem
   • Klaus Weber

   OriginalPaper Pages: 9 - 20

3. Immunocytochemical identification of neural elements in the central nervous systems of a snail, some insects, a fish, and a mammal with an antiserum to the molluscan cardio-excitatory tetrapeptide FMRF-amide

   • H. H. Boer
   • L. P. C. Schot
   • Dagmar Reichelt

   OriginalPaper Pages: 21 - 27

4. The effect of age on the ability of oocytes to synthesize RNA and proteins during in vitro maturation

   • J. J. Peluso
   • R. Hutz

   OriginalPaper Pages: 29 - 35

5. The topography of mesotocin and vasotocin systems in the brain of the domestic mallard and japanese quail: Immunocytochemical identification

   • Noëlle Bons

   OriginalPaper Pages: 37 - 51

6. Immunocytochemical demonstration of met-enkephalin in the central nervous system of the domestic fowl

   • S. Blähser
   • M. P. Dubois

   OriginalPaper Pages: 53 - 68

7. Observations on the innervated face of the electrocyte of the main organ of the electric eel (Electrophorus electricus L.)

   • R. D. Machado
   • W. de Souza
   • K. R. Porter

   OriginalPaper Pages: 69 - 80

8. Interlamellar tight junctions of central myelin

   • R. Dermietzel
   • H. Kroczek

   OriginalPaper Pages: 81 - 94

9. Interlamellar tight junctions of central myelin

   • R. Dermietzel
   • A. G. Leibstein
   • D. Schünke

   OriginalPaper Pages: 95 - 108

10. Phagocytes in the axial complex of the sea urchin, Sphaerechinus granularis (Lam.)

    • Sebastian Bachmann
    • Hannes Pohla
    • Alfred Goldschmid

    OriginalPaper Pages: 109 - 120

11. Glucagon- and glicentin-immunoreactive cells in the human digestive tract

    • J. C. Garaud
    • R. Eloy
    • J. F. Grenier

    OriginalPaper Pages: 121 - 136

12. Gap junctions between germ and somatic cells in the testis of the moth, Anagasta küehniella (Insecta: Lepidoptera)

    • Annette Szöllösi
    • Christiane Marcaillou

    OriginalPaper Pages: 137 - 147

13. Ultrastructure of the trophic chamber and nutritive cord of Aspidiotus hederae (Homoptera, coccoidea)

    • Maria Książkiewicz

    OriginalPaper Pages: 149 - 157

14. Immunochemical localization of contractile proteins in mammalian meiotic chromosomes

    • C. De Martino
    • E. Capanna
    • P. G. Natali

    OriginalPaper Pages: 159 - 178