1. Structural changes in the pars intermedia of the cichlid teleost Sarotherodon mossambicus as a result of background adaptation and illumination

   • G. J. J. M. van Eys

   OriginalPaper Pages: 171 - 179

2. Simultaneous monoamine histofluorescence and neuropeptide immunocytochemistry

   • John R. Sladek Jr.
   • Thomas H. McNeill

   OriginalPaper Pages: 181 - 189

3. Immunohistochemical study of the pars tuberalis of the adenohypophysis in the monkey, Macaca irus

   • C. Girod
   • M. P. Dubois
   • J. Trouillas

   OriginalPaper Pages: 191 - 203

4. Thiamine pyrophosphatase activity in the axonal smooth endoplasmic reticulum of neurosecretory neurons

   • Mona Castel
   • H. -Dieter Dellmann

   OriginalPaper Pages: 205 - 221

5. Aminergic systems in pulmonate gastropod molluscs

   • H. G. Hartwig
   • P. Brisson
   • J. P. Collin

   OriginalPaper Pages: 223 - 234

6. A three-dimensional study of the normal human placental villous core

   • M. Castellucci
   • D. Zaccheo
   • G. Pescetto

   OriginalPaper Pages: 235 - 247

7. Ultrastructural observations on synaptic ribbons in the pineal organ of the goldfish

   • John A. McNulty

   OriginalPaper Pages: 249 - 256

8. The fine structure of smooth muscle cells and their relationship to connective tissue in the rabbit portal vein

   • Terumasa Komuro
   • Geoffrey Burnstock

   OriginalPaper Pages: 257 - 267

9. Monoaminergic neurons of the mudpuppy retina

   • Alan Adolph
   • John E. Dowling
   • Berndt Ehinger

   OriginalPaper Pages: 269 - 282

10. Morphological investigation of the deep pineal of the rat

    • Dorothea Boeckmann

    OriginalPaper Pages: 283 - 294

11. Multiple effects of Na⁺ removal on pancreatic secretion in vitro

    • John A. Williams

    OriginalPaper Pages: 295 - 303

12. Fate of the theca interna following ovulation in the ewe

    • J. D. O'Shea
    • D. G. Cran
    • Mary F. Hay

    OriginalPaper Pages: 305 - 319

13. The epithelial cells and cell fragments in human milk

    • B. E. Brooker

    OriginalPaper Pages: 321 - 332

14. Investigations on the turnover of adrenocortical mitochondria

    • Giuseppina Mazzocchi
    • Claudia Robba
    • Gastone G. Nussdorfer

    OriginalPaper Pages: 333 - 337

15. Changes in the fine structure of the testicular Leydig cells of the seasonally-breeding bat, Myotis adversus

    • H. S. F. Loh
    • R. T. Gemmell

    OriginalPaper Pages: 339 - 347

16. Scanning electron microscopy of fused mouse placentas and associated uterine bed

    • Jane N. Scott
    • Paula B. Pendergrass

    Short Communication Pages: 349 - 351

17. Merkel cells and nerve endings in the labial epidermis of a lizard

    • Lukas Landmann
    • Zdenek Halata

    Short Communication Pages: 353 - 357