Summary
The appearance of neurosecretory granules in the crab sinus gland was studied after fixation at different pHs. Whereas at pH 7.0 the neurosecretory granules were pleomorphic with respect to electron density, at pH 5.0 or 6.0 all the granules remained electron dense. The possible role of maturation as an explanation of this observation is discussed.
Similar content being viewed by others
References
Bliss, D.E., Durand, J.B., Walsh, J.H.: Neurosecretory systems in decapod Crustacea. Z. Zellforsch. 39, 520–536 (1954)
Burnstock, G.: Do some nerve cells release more than one transmitter? Neuroscience 1, 239–248 (1976)
Cannata, M.A., Morris, J.F.: Changes in the appearance of hypothalamo-neurohypophysial neurosecretory granules associated with their maturation. J. Endocr. 57, 531–538 (1973)
Giger, H., Riedwyl, H.: Bestimmung der Größenverteilung von Kugeln aus Schnittkreisradien. Biomet. Z. 12, 156–162 (1970)
Ginsburg, M.: Molecular aspects of neurohypophysial hormone release. Proc. roy. Soc. B170, 27–36 (1968)
Ginsburg, M., Ireland, M.: The role of neurophysin in the transport and release of neurohypophysial hormone. J. Endocr. 35, 289–298 (1966)
La Bella, F.S.: Independent release of vasopressin and oxytocin from posterior pituitary tissue in vitro. Fedns. Proc. Fedn. Amer. Soc. exp. Biol. 21, 208 (1962)
Livingston, A., Lederis, K.: Functional ultrastructure of the neurohypophysis. Mem. Soc. Endocr. 19, 233–262 (1971)
Meusey, J.J.: Précisions nouvelles sur l'ultrastructure de la glande du sinus d'un crustacé décapode brachyoure Carcinus maenas. Bull. Soc. Zool. Fr. 93, 291–299 (1968)
Morris, J.F.: Distribution of neurosecretory granules among the anatomical compartments of the neurosecretory processes of the pituitary gland: a quantitative ultrastructural approach to hormone storage in the neural lobe. J. Endocr. 68, 225–234 (1976)
Morris, J.F., Cannata, M.A.: Ultrastructural preservation of the dense core of posterior pituitary neurosecretory granules and its implications for hormone release. J. Endocr. 57, 517–529 (1973)
Nordmann, J.J., Morris, J.F.: Membrane retrieval in neurosecretory axon endings. Nature (Lond.) 261, 723–725 (1976)
Normann, T.C.: The mechanism of hormone release from neurosecretory axon endings in the insect Calliphora erythrocephala. In: Aspects of neuroendocrinology (W. Bargmann and B. Scharrer, eds.), pp. 30–42. Berlin-Heidelberg-New York: Springer (1970)
Sachs, H.: Neurosecretion. Adv. Enzymol. 32, 327–372 (1969)
Smith, G.: The ultrastructure of the sinus gland of Carcinus maenas (Crustacea: Decapoda). Cell Tiss. Res. 155, 117–125 (1974)
Smith, G., Naylor, E.: The neurosecretory system of the eyestalk of Carcinus maenas (Crustacea: Decapoda). J. Zool. Lond. 166, 313–321 (1972)
Weibel, E.R.: Stereological techniques for electron microscopic morphometry. In: Principles and techniques of electron microscopy. Biological applications (M.A. Hayat, ed.), Vol. 3, pp. 239–296. New York: Van Nostrand Reinhold (1973)
Author information
Authors and Affiliations
Additional information
ERA 493 CNRS
Rights and permissions
About this article
Cite this article
Nordmann, J.J. Ultrastructural appearance of neurosecretory granules in the sinus gland of the crab after different fixation procedures. Cell Tissue Res. 185, 557–563 (1977). https://doi.org/10.1007/BF00220659
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00220659