1. Ontogeny of the photoreceptors in the embryonic retina of the viviparous guppy, Poecilia reticulata P. (Teleostei)

   • Yvette W. Kunz
   • S. Ennis
   • C. Wise

   OriginalPaper Pages: 469 - 486

2. Nerve fibers in the gut and pancreas of the rat displaying neuropeptide-Y immunoreactivity

   • F. Sundler
   • E. Moghimzadeh
   • P. Emson

   OriginalPaper Pages: 487 - 493

3. A quantitative analysis of spermatogenesis in the trout, Salmo trutta fario

   • R. Billard

   OriginalPaper Pages: 495 - 502

4. Demonstration of fluid-phase endocytosis in epithelial cells of the male reproductive system by means of horseradish peroxidase-colloidal gold complex

   • C. Morales
   • L. Hermo

   OriginalPaper Pages: 503 - 510

5. Immunocytochemical evidence of intragranular acetylation of α-MSH in the melanotrophic cells of the rabbit

   • M. E. Stoeckel
   • S. Schimchowitsch
   • A. Porte

   OriginalPaper Pages: 511 - 515

6. Association of substance-P-immunoreactive nerves with the murine olfactory mucosa

   • R. E. Papka
   • D. H. Matulionis

   OriginalPaper Pages: 517 - 525

7. Ultrastructural changes in lactating tissue related to the suppression of milk secretion by concanavalin A

   • Ulrich Welsch
   • Sarjant Singh
   • Stuart Patton

   OriginalPaper Pages: 527 - 541

8. An ultrastructural morphometric study of the papillary muscle of the right ventricle of the cat

   • Thomas A. Marino
   • Steven R. Houser
   • Alan R. Freeman

   OriginalPaper Pages: 543 - 552

9. The presence of two populations of sensory-type cells in the pineal organ of the five-bearded rockling, Ciliata mustela L. (Teleostei)

   • Annie Meiniel
   • Berthe Vivien-Roels

   OriginalPaper Pages: 553 - 571

10. Local interneurons associated with the mushroom bodies and the central body in the brain of Acheta domesticus

    • K. Schildberger

    OriginalPaper Pages: 573 - 586

11. Structure of the pars distalis in pouch-young tammar wallabies (Macropus eugenii)

    • J. F. Leatherland
    • M. B. Renfree

    OriginalPaper Pages: 587 - 603

12. Fluorescence microscopical and chemical characterization of the adrenergic innervation in mammalian liver tissue

    • E. Moghimzadeh
    • A. Nobin
    • E. Rosengren

    OriginalPaper Pages: 605 - 613

13. The role of connective tissue in the maintenance of epithelial differentiation in the adult

    • Christopher A. Squier
    • Gregory A. Kammeyer

    OriginalPaper Pages: 615 - 630

14. Ultrastructural evidence of variation in the number of secretory granules within the granulosa cells of the sheep corpus luteum

    • R. T. Gemmell
    • S. J. Quirk
    • G. D. Thorburn

    OriginalPaper Pages: 631 - 638

15. Quinacrine-induced degeneration of non-adrenergic, non-cholinergic autonomic nerves in the rat anococcygeus muscle

    • Tadahiko Iijima

    OriginalPaper Pages: 639 - 648

16. Permeability of the blood-brain barrier in the median eminence during the perinatal period in rats

    • M. V. Ugrumov
    • I. P. Ivanova
    • M. S. Mitskevich

    OriginalPaper Pages: 649 - 660

17. Ultrastructure and morphometric analysis of preimplantation mouse embryos

    • Svatopluk Čech
    • Miroslava Sedláčková

    OriginalPaper Pages: 661 - 670

18. Preliminary observations of satellite cells in undamaged fibres of the rat soleus muscle assaulted by a snake-venom toxin

    • Catherine Klein-Ogus
    • John B. Harris

    OriginalPaper Pages: 671 - 776

19. Isoenzyme studies of whole muscle grafts and movement of muscle precursor cells

    • M. D. Grounds
    • T. A. Partridge

    OriginalPaper Pages: 677 - 688

20. Regional difference in effect of filipin in plasma membranes of epithelial cells and surrounding free cells in the choroid plexus

    • Takahiro Gotow
    • Paulo H. Hashimoto

    Short Communication Pages: 689 - 694