Differentiation of sympathetic and enteric neurons of the fowl embryo in grafts to the chorio-allantoic membrane D. F. NewgreenI. JahnkeI. Lewis Gibbins OriginalPaper Pages: 1 - 19
Structure and permeability to ferritin of the choriocapillary endothelium of the rat eye Richard M. PinoEdward Essner OriginalPaper Pages: 21 - 27
A stereological analysis of developing egg chambers in the honeybee queen, Apis mellifera Joseph Torres Jr. OriginalPaper Pages: 29 - 33
Regional specialization of the sperm membrane in the tick Amblyomma hebraeum koch (Acari: Ixodidae) Ashraf El SaidZdzislaw Swiderski OriginalPaper Pages: 35 - 45
Spontaneous testicular neoplasm in mice with testicular feminization Kyung Won Chung OriginalPaper Pages: 47 - 56
Ultrastructural studies on paneth cell apoptosis in zinc deficient rats Margaret E. ElmesJ. Gwyn Jones OriginalPaper Pages: 57 - 63
The distribution and structure of cells in the tracheal epithelium of the mouse R. J. PackLayla H. Al-UgailyJ. G. Widdicombe OriginalPaper Pages: 65 - 84
Phagocytic activity of the stellate cells in the anuran pars intermedia Elizabeth K. PerrymanJean de VellisJoseph T. Bagnara OriginalPaper Pages: 85 - 98
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: 99 - 110
Responses of pineal photoreceptors in the brook and rainbow trout Y. OmuraM. A. Ali OriginalPaper Pages: 111 - 122
Ultrastructural studies of severed medial giant and other CNS axons in crayfish Martis L. BallingerGeorge D. Bittner OriginalPaper Pages: 123 - 133
VIP (vasoactive intestinal polypeptide)-containing nerves of intracranial arteries in mammals L. EdvinssonJ. FahrenkrugR. Uddman OriginalPaper Pages: 135 - 142
Fibre types in the locomotory muscles of an antarctic teleost, Notothenia rossii N. Jonathan WalesbyIan A. Johnston OriginalPaper Pages: 143 - 164
A peculiar fibrillar pattern in the myocardial cells of trabeculae carneae in the right ventricle of the rat, mouse, and rabbit H. -J. AppellC. Stang-Voss Short Communication Pages: 165 - 168