1. The pit cell: Description of a new type of cell occurring in rat liver sinusoids and peripheral blood

   • E. Wisse
   • J. M. van't Noordende
   • W. Th. Daems

   OriginalPaper Pages: 423 - 435

2. Structural alterations of rabbit ovarian follicles after mating with special reference to the overlying surface epithelium

   • Stefan Cajander

   OriginalPaper Pages: 437 - 449

3. The membrane systems of the cardiac muscle cell of Tmetonyx cicada O. Fabricius (Crustacea, Amphipoda)

   • Reidar Myklebust
   • Bjørn Midttun
   • Audfinn Tjønneland

   OriginalPaper Pages: 451 - 460

4. Electron microscopic immunocytochemical demonstration of separate vasotocinergic and mesotocinergic nerve fibres in the neural lobe of the amphibian hypophysis

   • A. Van Vossel
   • K. Dierickx
   • J. Van Vossel-Daeninck

   OriginalPaper Pages: 461 - 464

5. Studies on the ovotestis of the slug Agriolimax reticulatus (Müller)

   • R. S. Hill
   • I. D. Bowen

   OriginalPaper Pages: 465 - 482

6. On the identity of the thyrotropic cell in the red-spotted newt

   • Ann D. Dunn
   • James Norman Dent

   OriginalPaper Pages: 483 - 493

7. Transformation of cytoplasmic actin importance for the organization of the contractile gel reticulnm and the contraction — relaxation cycle of cytoplasmic actomyosin

   • G. Isenberg
   • K. E. Wohlfarth-Bottermann

   OriginalPaper Pages: 495 - 528

8. Some observations on the ultrastructure of developing rat cerebral capillaries

   • Susan E. Dyson
   • D. G. Jones
   • W. L. Kendrick

   OriginalPaper Pages: 529 - 542

9. The ultrastructure of basal cells of rat and dog prostate

   • B. G. Timms
   • J. A. Chandler
   • F. Sinowatz

   OriginalPaper Pages: 543 - 554