1. Computer-aided three-dimensional reconstructions of the arrangement of primary spermatocytes in human seminiferous tubules

   • Wolfgang Schulze
   • Martin Riemer
   • Karl-Heinz Höhne

   OriginalPaper Pages: 1 - 8

2. Shape and disposition of clefts, tubules, and sarcoplasmic reticulum in long and short sarcomere fibers of crab and crayfish

   • Clara Franzini-Armstrong
   • Abraham B. Eastwood
   • Lee D. Peachey

   OriginalPaper Pages: 9 - 19

3. A possible differentiation of anterior pituitary cells in collagen gels into neurons

   • Abraham Martinez-Campos
   • Priscilla S. Dannies

   OriginalPaper Pages: 21 - 26

4. Cell shape and motility of oligodendrocytes cultured without neurons

   • B. Kachar
   • T. Behar
   • M. Dubois-Dalcq

   OriginalPaper Pages: 27 - 38

5. Helical structure in the apical tubules of several absorbing epithelia

   • Tanenori Hatae
   • Mamoru Fujita
   • Hiroshi Sagara

   OriginalPaper Pages: 39 - 46

6. Organization of filaments underneath the plasma membrane of developing chicken skeletal muscle cells in vitro revealed by the freeze-dry and rotary replica method

   • Yuji Isobe
   • Yutaka Shimada

   OriginalPaper Pages: 47 - 56

7. An ultracytochemical investigation of ouabain-sensitive p-nitrophenylphosphatase in chick osteoclasts

   • Toshitaka Akisaka
   • Carol V. Gay

   OriginalPaper Pages: 57 - 62

8. Fine-structural characteristics of the liver of the cod (Gadus morhua macrocephalus), with special regard to the concept of a hepatoskeletal system formed by Ito cells

   • Hisao Fujita
   • Haruyuki Tatsumi
   • Sakie Tamura

   OriginalPaper Pages: 63 - 67

9. Neuronal properties of monkey adrenal medulla in vitro

   • Mary F. D. Notter
   • Madhu Gupta
   • Don M. Gash

   OriginalPaper Pages: 69 - 76

10. Distribution and characterization of the opioid octapeptide met⁵-enkephalin-arg⁶-gly⁷-leu⁸ in the gastrointestinal tract of the rat

    • Yen-Nung Wang
    • Iris Lindberg

    OriginalPaper Pages: 77 - 85

11. Characterization of intermediate filaments and their structural organization during epithelium formation in pigmented epithelial cells of the retina in vitro

    • Katsushi Owaribe
    • Hiroaki Sugino
    • Hirohisa Masuda

    OriginalPaper Pages: 87 - 93

12. Lipolysis of serum-activated triacylglycerol at the surface of J774.1 macrophages

    • E. Joan Blanchette-Mackie
    • Thomas Briggs
    • Robert O. Scow

    OriginalPaper Pages: 95 - 105

13. A quantitative study of synaptic ribbons in pinealocytes of adult Chinese hamsters (Cricetulus griseus) under different photoperiodic conditions

    • I. Aida
    • Y. Sakai
    • K. Mikamo

    OriginalPaper Pages: 107 - 113

14. Immunocytochemical localization of a rhodopsin-like protein in the lipochondria in photosensitive neurons of Aplysia californica

    • Laura J. Robles
    • John W. Breneman
    • Lori L. Kegler

    OriginalPaper Pages: 115 - 120

15. Development of smooth and skeletal muscle cells in the iris of the domestic duck, chick and quail

    • T. Yamashita
    • G. S. Sohal

    OriginalPaper Pages: 121 - 131

16. Type-I collagen production by human odontoblast-like cells in expiants cultured on cyanoacrylate films

    • H. Magloire
    • A. Callé
    • F. Schué

    OriginalPaper Pages: 133 - 140

17. Sex differences in adrenocortical structure and function

    • Ludwik K. Malendowicz
    • Claudia Robba
    • Gastone G. Nussdorfer

    OriginalPaper Pages: 141 - 145

18. Afferent and efferent components of the facial nerve in a frog, Rana pipiens

    • Sherry L. Stuesse
    • William L. R. Cruce

    OriginalPaper Pages: 147 - 151

19. Embryonic cholinesterase activity during morphogenesis of the mouse genital tract

    • Klaus-Ulrich Thiedemann
    • Pramote Vanittanakom
    • Ulrich Drews

    OriginalPaper Pages: 153 - 164

20. Motile iridophores of a freshwater goby, Odontobutis obscura

    • Tetsuro Iga
    • Akira Matsuno

    OriginalPaper Pages: 165 - 171

21. Distribution of subgroups of noradrenaline neurons in the coeliac ganglion of the guinea-pig

    • I. M. Macrae
    • J. B. Furness
    • M. Costa

    OriginalPaper Pages: 173 - 180

22. Central projections of the nervus terminalis in the bichir, Polypterus palmas

    • C. S. von Bartheld
    • D. L. Meyer

    OriginalPaper Pages: 181 - 186

23. Comparison of the glial investment of normal and regenerating fiber bundles in the optic nerve and optic tectum of the goldfish and the Crucian carp

    • Hartwig Wolburg
    • Ute Bouzehouane

    OriginalPaper Pages: 187 - 192

24. Projection of fibers immunoreactive to an antiserum against gonadoliberin (LHRH) into the pineal stalk of the white-crowned sparrow, Zonotrichia leucophrys gambelii

    • Sabine Blähser
    • Andreas Oksche
    • Donald S. Farner

    OriginalPaper Pages: 193 - 196

25. The transverse tubular system of cat intrafusal muscle fibres

    • M. N. Adal

    OriginalPaper Pages: 197 - 202

26. Distribution of glomerular peripolar cells in different mammalian species

    • John A. M. Gall
    • Daine Alcorn
    • Graeme B. Ryan

    OriginalPaper Pages: 203 - 208

27. Egg-shells in mites

    • W. Witaliński

    OriginalPaper Pages: 209 - 214

28. Studies on the reticulo-endothelial system of the dogfish, Scyliorhinus canicula

    • T. C. Hunt
    • A. F. Rowley

    OriginalPaper Pages: 215 - 226

29. An immimohistochemical study of regulatory peptides in lungs of amphibians

    • E. Cutz
    • L. Goniakowska-Witalinska
    • W. Chan

    OriginalPaper Pages: 227 - 233

30. Septal afferents to the area dentata terminate on vasoactive intestinal polypeptide (VIP)-like immunoreactive, non-pyramidal neurons

    • Walter K. Schwerdtfeger

    Short Communications Pages: 235 - 238

31. Biondi bodies in the choroid plexus epithelium of the human brain

    • A. I. Kiktenko

    Short Communications Pages: 239 - 240

32. Announcement

    Announcement Pages: 241 - 241