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2 edition of electron microscopic study of the early changes distal to a constriction in sympathetic nerves found in the catalog.

electron microscopic study of the early changes distal to a constriction in sympathetic nerves

K. Kapeller

electron microscopic study of the early changes distal to a constriction in sympathetic nerves

by K. Kapeller

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  • 36 Currently reading

Published by [Royal Society] in [London] .
Written in English

    Subjects:
  • Sympathetic nervous system.,
  • Electron microscopy.

  • Edition Notes

    From the Proceedings of the Royal Society, B, Vol.172, 1969.

    Other titlesProceedings of the Royal Society.
    Statementby K. Kapeller and D. Mayor.
    ContributionsMayor, D.
    The Physical Object
    Paginationp. 53-63 ;
    Number of Pages63
    ID Numbers
    Open LibraryOL18548544M

    An electron microscope is a microscope that uses a beam of accelerated electrons as a source of illumination. As the wavelength of an electron can be up to , times shorter than that of visible light photons, electron microscopes have a higher resolving power than light microscopes and can reveal the structure of smaller objects. A scanning transmission electron microscope has achieved. The nerves and the branches supplying the choroid appear as mixed nerves containing sympathetic, parasympathetic and sensory axons. electron microscopy. A comparative study of the quality of.

    1. The accumulation of granular vesicles proximal to a constriction applied to hypogastric nerves has been investigated with the electron microscope in cats treated with reserpine and/or iproniazid. 2. The ultrastructural changes have been correlated with the accumulation of noradrenaline at the same site in similarly treated animals. 3. The findings give further support to the view that. In a combined light and electron microscope study of sural nerves of seven normal individuals, aged between 15 and 59 years, the increase with age in the number of degenerating myelinated fibres.

    Under the microscope, the lumen and the entire tunica intima of a vein will appear smooth, whereas those of an artery will normally appear wavy because of the partial constriction of the smooth muscle in the tunica media, the next layer of blood vessel walls. Tunica Media. An electron microscopic study of the early changes proximal to a constriction in sympathetic nerves. By K. Kapeller and D. Mayor. (Plates 21 to 29) 39 An electron microscopic study of the early changes distal to a constriction in sympathetic nerves. By .


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Electron microscopic study of the early changes distal to a constriction in sympathetic nerves by K. Kapeller Download PDF EPUB FB2

Proc R Soc Lond B Biol Sci. Mar 11;() An electron microscopic study of the early changes distal to a constriction in sympathetic by: An electron microscopic study of the early changes distal to a constriction in sympathetic nerves BY K. KAPELLER* AND D. MAYOR Department of Human Biology and Anatomy, University of Sheffield (Communicated by J.

Young, F.R.S.-Received 21 May Revised 15 July ) [Plates 30 to 37] The ultrastructural changes distal to a constriction in. The ultrastructural changes distal to a constriction in unmyelinated postganglionic sympathetic axons have been studied in the cat splenic and hypogastric nerves at intervals up to 24 h after operation.

Since the immediate postoperative changes were identical with those found proximal to the lesion it was concluded that they were due to the mechanical effects of tying the by: Kapeller K, Mayor D and Young J () An electron microscopic study of the early changes proximal to a constriction in sympathetic nerves, Proceedings of the Royal Society of London.

Series B. Biological Sciences,(), Online publication date: Mar An electron microscopic study of the early changes proximal to a constriction in sympathetic nerves BY K. KAPELLER* AND D. MAYOR Department of Human Biology and Anatomy, University of Sheffield (Communicated by J.

Young, F.R.S.-Received 21 May Revised 15 July ) [Plates 21 to 29] The ultrastructural changes, proximal to a. The ultrastructural changes, proximal to a constriction, in unmyelinated postganglionic sympathetic axons have been studied in the cat splenic and hypogastric nerves.

They were con stricted with a. Kapeller K, Mayor D. An electron microscopic study of the early changes proximal to a constriction in sympathetic nerves. Proc R Soc Lond B Biol Sci.

Mar 11; ()– Kapeller K, Mayor D. An electron microscopic study of the early changes distal to a constriction in sympathetic nerves. An ultrastructural study has been carried out of the changes observed proximal to a nerve constriction in rabbits.

The lesion was experimentally produced with a silk ligature. Specimens were examined 24 h after ligation. Significant alterations of the ultra structure were found in sections taken at approximately 1 mm above the constriction.

An electron microscopic study of the early changes proximal to a constriction in sympathetic nerve, Proc. roy. Soc. B, () 15 KAPELLER, K., AND MAYOR, D., An electron microscopic study of the early changes distal to a constriction in sympathetic nerve, Proc.

roy. Soc. B, () 16 LAMPERT, P. K. Kapeller, D. MayorAn electron microscopic study of the early changes distal to a constriction in sympathetic nerves Proc.

Roy. Soc. B, (), pp. Google Scholar. An electron microscopic study of the early changes proximal to a constriction in sympathetic nerves. Kapeller An electron microscopic study of the early changes distal to a constriction in sympathetic nerves. Kapeller; and D. Mayor; Published. An electron microscopic study of the early changes proximal to a constriction in sympathetic nerves, Proc.

roy. Soc. B, () 22 KAPELLER, K., AND MAYOR, D., An electron microscopic study of the early changes distal to a constriction in sympathetic nerves, Proc. roy. Soc. B, () 23 LEKSELL, L. An electron microscopic study of the early changes proximal to a constriction in sympathetic nerves, Proc.

roy. Soc. B, () 10 KOPRIWA, B. M., AND LEBLOND, C. P., Improvements in the coating technique of radioautography, J. Histochem. Cytochem., 10 () Brain Research, 35 () SHORT COMMUNICATI.

An electron microscope study of the early changes proximal to a constriction in sympathetic nerves. Proc. roy. Soc. B39–51 (a). Google Scholar —: An electron microscope study of the early changes distal to a constriction in sympathetic nerves.

Proc. roy. An electron microscopic study of the early changes distal to a constriction in sympathetic nerves, Proc. roy. Soc. B., () 17 KARNOVSKV, M. J., A formaldehyde glutaraldehyde fixative of high osmolarity for use in electron microscopy, J. Cell Biol., 27 () Z.

18 KERKUT, G. A., SHAPIRA, A., AND WALKER, R. J., An electron. WEBSTER HD. Transient, focal accumulation of axonal mitochondria during the early stages of wallerian degeneration.

J Cell Biol. Feb; – [PMC free article] Kapeller K, Mayor D. An electron microscopic study of the early changes distal to a constriction in sympathetic nerves. The fascicles of the nerves were separated by a scalpel using an operating microscope.

The nerves were observed by electron microscopy, in cats 30 days and in rabbits 90 days after operating. Kapeller, K. & Mayor, D. (b) An electron microscopic study of early changes distal to a constriction in sympathetic dings of the Royal Society of.

Kapeller K, Mayor D. An electron microscopic study of the early changes proximal to a constriction in sympathetic nerves. Proc R Soc Lond B Biol Sci. Mar 11; ()– Kreutzberg GW. Neuronal dynamics and axonal flow.

Blockage of intra-axonal enzyme transport by colchicine. Proc Natl Acad Sci U S A. Mar; 62 (3)– 1. Phase-contrast microscopy, time-lapse cinematography, electron microscopy and fluorescence histochemistry were used to study neurons in cultured sympathetic ganglia of rat, guinea-pig and embryo chick.

There was considerable variation in the morphology and size of neurons in all three species. Many neurons migrated into the outgrowth; those that migrated freely in rat and guinea-pig.

A preliminary study is presented that outlines a method of microscopic identification of sympathetic nerves in the hand. Fresh human tissue consisting of median and ulnar nerves and their arterial.An Electron Microscopic Study of the Early Changes Proximal to a Constriction in Sympathetic Nerves.

distal to nodes of Ranvier. The changes closely resemble those found in axons up to .The radioautographic technique has been used to study the axonal migration of catecholamines in sympathetic fibres of the sciatic nerve of rats after ligature.

A first series of experiments aimed at ascertaining the capacity of the proximal portion of adrenergic fibres to take up and store exogenous tritiated catecholamines (3H-DOPA; 3H-DA and 3H-NA) 3 to 22 hours after ligation.