1. The reorganization of subcellular structure in muscle undergoing fast-to-slow type transformation

   • Brenda R. Eisenberg
   • Stanley Salmons

   OriginalPaper Pages: 449 - 471

2. Release of neurosecretory material by protrusions of bounding membranes extending through the axolemma, in Diphyllobothrium dendriticum (Cestoda)

   • Margaretha K. S. Gustafsson
   • Marianne C. Wikgren

   OriginalPaper Pages: 473 - 479

3. Tracheal submucosal gland serous cells stimulated in vitro with adrenergic and cholinergic agonists A morphometric study

   • C. B. Basbaum
   • I. Ueki
   • J. A. Nadel

   OriginalPaper Pages: 481 - 498

4. Effect of aging on the morphology and function of the thyroid gland of the cream hamster

   • Pierre Nève
   • Michèle Authelet
   • Jacqueline Golstein

   OriginalPaper Pages: 499 - 509

5. Electron microscopic study of immunoreactive LHRH perikarya with special reference to neuronal regulation

   • Setsuji Hisano
   • Hitoshi Kawano
   • Shigeo Daikoku

   OriginalPaper Pages: 511 - 518

6. Localization of sialic acid-containing hormones in GTH cells and ACTH cells of the rat anterior pituitary

   • Masato Komuro
   • Toshiro Shioda

   OriginalPaper Pages: 519 - 528

7. The mast cells of the mammalian central nervous system

   • Mohamed Z. M. Ibrahim
   • Diran S. Koshayan

   OriginalPaper Pages: 529 - 538

8. Morphological differentiation of an embryonic epithelium in culture

   • E. J. Sanders
   • J. E. Dickau

   OriginalPaper Pages: 539 - 548

9. Role of histamine and cyclic nucleotides in implantation in the rabbit

   • S. K. Dey
   • C. J. Hubbard

   OriginalPaper Pages: 549 - 554

10. Disaccharidase-deficient animals have normal ultrastructure of intestinal brush border membranes

    • Jay Bernstein
    • Peter Burrill
    • Norman Kretchmer

    OriginalPaper Pages: 555 - 559

11. 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
    • S. E. Wendelaar Bonga

    OriginalPaper Pages: 561 - 571

12. Morphological changes in cultured myotubes treated with agents that interfere with lysosomal function

    • Sherry Bursztajn
    • Peter Libby

    OriginalPaper Pages: 573 - 588

13. Ruthenium red staining and tannic acid fixation of dental basement membrane

    • J. M. Meyer
    • A. Staubli
    • J. V. Ruch

    OriginalPaper Pages: 589 - 597

14. An ultrastructural and histochemical study of the axial musculature in the African lungfish

    • J. F. Dunn
    • W. Davison
    • M. Guppy

    OriginalPaper Pages: 599 - 609

15. Regulation of human amnion cell growth and morphology by sera, plasma, and growth factors

    • Edwin V. Gaffney
    • Margaret A. Grimaldi

    OriginalPaper Pages: 611 - 621

16. Islet organ, blood glucose and glucose tolerance of lean and obese Mongolian gerbils

    • J. M. Lucocq
    • J. A. Findlay

    OriginalPaper Pages: 623 - 636

17. Immunocytochemistry of luteinizing hormone releasing hormone (LHRH) and gonadotropic hormones in the sheep after anterior deafferentations of the hypothalamus

    • Jolanta Polkowska

    OriginalPaper Pages: 637 - 649

18. The contractile apparatus of striated muscle in the course of atrophy and regeneration

    • Anna Jakubiec-Puka
    • Dorota Kulesza-Lipka
    • Krzysztof Krajewski

    OriginalPaper Pages: 651 - 663

19. Adenylate cyclase activity in axon terminals of ovulation-hormone producing neuroendocrine cells of Lymnaea stagnalis (L.)

    • E. W. Roubos
    • A. N. de Keijzer
    • P. Buma

    Short Communication Pages: 665 - 668

20. Freeze-fracture study on the whorls of rough endoplasmic reticulum in the exocrine pancreatic cells of the Japanese newt and African clawed toad

    • Kazuo Taira
    • Hirotaka Mutoh
    • Susumu Shibasaki

    Short Communication Pages: 669 - 672