1. The rete testis in man: Ultrastructural aspects

   • E. Bustos-Obregón
   • A. F. Holstein

   OriginalPaper Pages: 1 - 15

2. Studies of cardiac ganglia in pre- and postnatal rabbits

   • Raymond E. Papka

   OriginalPaper Pages: 17 - 35

3. Indoleamine-accumulating neurons in the retina of rabbit, cat and goldfish

   • B. Ehinger
   • Ingrid Florén

   OriginalPaper Pages: 37 - 48

4. Tritiated thymidine autoradiographic study of cell migration and renewal in the pyloric mucosa of golden hamsters

   • Takanori Hattori
   • Setsuya Fujita

   OriginalPaper Pages: 49 - 57

5. Differential sensitivity of rods and cones in Xenopus retina to hemicholinium-3

   • M. P. Osborne
   • P. Monaghan

   OriginalPaper Pages: 59 - 72

6. Ultrastructural changes of pituitary gonadotropic cells in estrogen-treated pregnant rats

   • M. Hassani
   • J. Roos

   OriginalPaper Pages: 73 - 84

7. The connectivity of cones and cone horizontal cells in a mosaic-type teleost retina

   • H. -J. Wagner

   OriginalPaper Pages: 85 - 100

8. Localization of ouabain-sensitive, potassium-dependent nitrophenyl phosphatase in the rectal gland of the spiny dogfish, Squalus acanthias

   • Clarence C. Goertemiller Jr.
   • Richard A. Ellis

   OriginalPaper Pages: 101 - 112

9. Autonomic innervation and plasma estradiol-17β and progesterone levels in rats with subcutaneous ovarian autografts

   • H. J. Weems Chihal
   • H. A. Weitsen
   • R. D. Peppler

   OriginalPaper Pages: 113 - 121

10. Scanning electron microscopy of photoreceptor cells in the light- and dark-adapted retina of Haplochromis burtoni (Cichlidae, Teleostei)

    • Ilsabe Pietzsch-Rohrschneider

    OriginalPaper Pages: 123 - 130

11. The occurrence of argyrophilic and argentaffin cells in the gut of Ciona intestinalis L.

    • H. A. R. Fritsch

    OriginalPaper Pages: 131 - 135