REFERENCES
- Aures, D. & Håkanson, R. 1968. Amine formation in polypeptide-producing endocrine cells of the digestive tract. Europ. J. Pharmacol. 3, 316–321.
- Baker, R. V. 1958. Observations on the localization of 5-hydroxytryptamine. J. Physiol. (Lond.) 142, 563–570.
- Blaschko, H. & Welch, A. D. 1953. Localization of adrenaline in cyptoplasmic particles of the bovine adrenal medulla. Arch. exp. Path. Pharmak. 219, 17–22.
- Christie, A. C. 1955. A study of the Kultschitzky (argentaffin) cell with the electronmicroscope, after fixation by osmium tetroxide. Quart. J. micr, Sci. 96, 295–299.
- Corpron, R. E. 1966. The ultrastructure of the gastric mucosa in normal and hypophysectomized rats. Amer J. Anat. 118, 53–90.
- Ehinger, B., Håkanson, R., Owman, Ch. & Sporrong, B. 1968. Histochemical demonstration of histamine in paraffin sections by a fluorescence method.
- Eränkö, O. 1955. Distribution of fluorescing islets, adrenaline and noradrenaline in the adrenal medulla of the hamster. Acta endocr. (Kbh.) 18, 174–179.
- Eränkö, O. 1964. Histochemical demonstration of catecholamines by fluorescence induced by formaldehyde vapour. J. Histochem. Cytochem. 12, 487–488.
- Eränkö, O. 1967. The practical demonstration of catecholamines by formaldehyde-induced fluorescence. J. roy. micr. Soc. 87, 259–276.
- Falck, B. & Torp, A. 1961. A fluorescence method for histochemical demonstration of noradrenalin in the adrenal medulla. Med. exp. (Basel) 5, 429–432.
- Håkanson, R., Lilja, B. & Owman, Ch. 1967. Properties of a new system of amine-storing cells in the gastric mucosa of the rat. Europ. J. Pharmacol. 1, 188–199.
- Håkanson, R., and Owman, Ch. 1966. Distribution and properties of amino acid decarboxylases in gastric mucosa. Biochem. Pharmacol. 15, 489–499.
- Håkanson, R., & Owman, Ch. 1967. Concomitant demonstration of histamine and catecholamines in enterochromaffin-like cells of the gastric mucosa. Life Sci. 6, 759–766.
- Håkanson, R., Owman, Ch. & Sjöberg, N.-O. 1967. Cellular stores of gastric histamine in the developing rat. Life Sci. 6, 2535–2543.
- Lawn, A. M. 1960. Observations on the fine structure of the gastric parietal cell of the rat. J. biophys. biochem. Cytol. 7, 161–166.
- Lempinen, M., Penttilä, A. & Fock, G. 1968. Histochemical properties of regenerating mucous membrane in the rat stomach. Scand. J. Gastroent. 3, 561–571.
- Luft, J. H. 1961. Improvements in epoxy resin embedding methods. J. biophys. biochem. Cytol. 2, 409–414.
- Nachlas, M. M., Tsou, K. C., De Souza, E., Cheng, C.-S., & Seligman, S. M. 1957. Cytochemical demonstration of succinic dehydrogenase by the use of a new p-nitrophenyl substituted ditetrazole. J. Histochem. Cytochem. 5, 420–436.
- Pearse, A. G. E. 1960. Histochemistry, Theoretical and Applied. J. & A. Churchill, Ltd. London. p. 642.
- Penttilä, A. 1969. Identification of enterochromaffin cells in adjacent Epon-embedded sections at light and electron microscopic level Z. Zellforsch. In press.
- Reynolds, E. C. 1963. The use of lead citrate at high pH as an electron-opaque stain in electron microscopy. J. Cell Biol. 17, 208–212.
- Rhodin, J. 1954. Correlation of Ultrastructural Organization and Function in Normal and Experimentally Changed Proximal Tubule Cells of the Mouse Kidney. A. B. Godvill. Stockholm. pp. 1–76.
- Schnitka, T. K. 1960. Enzymatic histochemistry of gastrointestinal mucous membranes. Fed. Proc. 19, 896–904.
- Thunberg, R. 1967. Localization of cells containing and forming histamine in the gastric mucosa of the rat. Exp. Cell Res. 47, 108–115.
- Watson, M. L. 1958. Staining of tissue sections for electron microscopy with heavy metals. J. biophys. biochem. Cytol. 4, 475–478.
- Wetzstein, R. 1957. Elektronenmikroskopische Untersuchungen am Nebennierenmark von Maus, Meerschweinchen und Katze. Z. Zellforsch. 46, 517–576.
- Zetterquist, H. 1956. The Ultrastructural Organization of the Columnar Cells of the Mouse Jejunum. A. B. Godvil. Stockholm. pp. 1–83.