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2 edition of Aminergic fluorescence in the cephalopod brain. found in the catalog.

Aminergic fluorescence in the cephalopod brain.

E. M. Tansey

Aminergic fluorescence in the cephalopod brain.

by E. M. Tansey

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Published by Royal Society in London .
Written in English


Edition Notes

SeriesPhilosophical transactions / Royal Society of London -- Series B: Biological sciences; Vol.291, no.1046, 24 November 1980, pp127-145
ContributionsRoyal Society.
ID Numbers
Open LibraryOL13746998M

The chromatic and motor effects of neurotransmitter injection in intact and brain-lesioned Octopus - Volume 63 Issue 2 - P. L. R. Andrews, J. B. Messenger, E. M. TanseyCited by: Fluorescence is short-lived with luminescence ending almost immediately. Phosphorescence involves change in electron spin and may endure for several seconds. In most cases, photoluminescent radiation tends to be at longer wavelengths than excitation Size: 1MB.

Histochemical evidence for catecholamines as neurotransmitters in the statocyst of Octopus vulgaris Aminergic fluorescence in the cephalopod emphasize that in the cephalopod brain the. THE BRAIN. It is clear that the cephalopod brain contains glutamatergic systems, but the evidence to date is fragmentary and incomplete. The first experiments to implicate L-glu came from Andrews et al., [1, 2]. Using an aortic perfusion technique, by which small “pulses” of drug can be introduced directly into the blood stream of an Cited by:

Fluorescence: a process in which a part of energy (UV, Visible) absorbed by a substance is released in the form of light as long as the stimulating radiation is continued. The fluorescence emission took place from a singlet excited states -(average lifetime: from File Size: 1MB. Atlas histológico de los pulpos Enteroctopus megalocyathus. McGraw-Hill Book Co. New York: pp. Mann T., A. W. Aminergic Fluorescence in the Cephalopod Brain.


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Aminergic fluorescence in the cephalopod brain by E. M. Tansey Download PDF EPUB FB2

A fluorescence histochemical technique with glyoxylic acid has been employed to locate the catecholamines noradrenalin and dopamine and the indolealkylamine 5-hydroxytryptamine (5HT) in the brains of a number of genera of cephalopods.

cephalopod brain the fluorescence is not uniformly distributed. The possibility that noradrenalin, dopamine and 5HT have specific neurotransmitter functions is discussed. INTRODUCTION There are a number of reports of the presence of possible neurotransmitters in the cephalopod brain (see, for example, Tansey (I)).

A fluorescence histochemical technique with glyoxylic acid has been employed to locate the catecholamines noradrenalin and dopamine and the indolealkylamine 5-hydroxytryptamine (5HT) in the brains of a number of genera of by: Fluorescence studies on cephalopod optic lobe Aminergic fluorescence in the cephalopod brain.

book sue carried out by Tansey8 reveal bands of aminergic fluorescence corresponding roughly to the layers in which a large proportion of the central dendrites of the centrifugal cells are located10, by: Tansey E and Young J () Aminergic fluorescence in the cephalopod brain, Philosophical Transactions of the Royal Society of London.

B, Biological Sciences,(), Online publication date: Nov   Evidence is presented from fluorescence histochemistry studies that blood vessels in the viscera of Octopus vulgaris are innervated by nerve fibres containing catecholamines.

This, with other evidence, suggests that cephalopods, like vertebrates, may be capable of regulating their peripheral vasculature by central neural by: In cephalopods, there is ultrastructural evidence that most, if not all, synapses in the CNS are chemical rather than electrical (Gray & Young, ).

However, it must be emphasised that the chemical identity of the transmitter is not known for any synapse in the cephalopod by: Summary. The cephalopod nervous system is the most complex of any invertebrate nervous system.

Although species-specific differences exist, its high level of complexity almost certainly is due to the cephalopods’ very active, fast-moving, predatory life style, and their complex behavior and extreme flexibility of response to different environmental by: The detailed distribution of aminergic fluorescence in the brain of Octopus has been described by Tansey ().

There are remarkably high quantities of these biogenic amines localized in the posterior salivary glands and the buccal lobe region of the brain which innervates them (Arluison and Ducros, ; Martin and Barlow, ;Matus, ).Cited by: In the brain and sense organs cholinergic, aminergic, serotonergic and glutamatergic systems seem to be the most important.

ACh is also active in the gut, vascular system and some body muscles: it is generally by: Abstract. This account is not intended as a comprehensive review of work on the remarkable eye of the squid. There is an excellent review on the physiology of cephalopod vision by Messenger (), and a brief account of research methods by Daw ().Cited by: Fluorescence is the result of a three-stage process that occurs in certain molecules (generally polyaromatic hydrocarbons or heterocycles) called fluorophores or fluorescent dyes (Figure 1).A fluorescent probe is a fluorophore designed to respond to a specific stimulus or to localize within a specific region of a biological specimen.

The Fluorescence Process. The fluorescence process can be broken down into three phases 1. Excitation - absorption of light of an appropriate wavelength by fluorophore 2. Excited state - fluorophore undergoes vibrational and conformational changes 3.

Emission - photon of light is emitted. The fluorescence process is cyclical therefore a File Size: KB. : Fluorescence and Phosphorescence (Analytical Chemistry by Open Learning) (): Rendell, David: BooksCited by: Cephalopod molluscs, the squids, cuttlefishes and octopuses, are remarkable among invertebrates for their complex behaviour, elaborate sense organs and the well-developed brain, which has been the subject of many investigations from the last century to the pre- sent day6'7'18'29'Cited by: Full Text; PDF ( K) PDF-Plus ( K) Citing articles; The cephalopod specialties: complex nervous system, learning, and cognition 1.

Jennifer A. Mather, a Michael J. Kuba b * a Department of Psychology, The University of Lethbridge, Lethbridge, AB T1K 3M4, Canada. b Department of Neurobiology, Institute of Life Sciences and Interdisciplinary Center for Neural Computation, Hebrew Cited by: Fluorescence Microscopy: From Principles to Biological Applications 2nd Edition by Ulrich Kubitscheck (Editor) ISBN ISBN Why is ISBN important.

ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book. Format: Hardcover. Formaldehyde-induced fluorescence (Falck-Hillarp technique) provided histochemical evidence for the presence of catecholamines in the sensory epithelia (macula and crista) of the Octopus statocyst.

A specific bright green fluorescence occurred in the neuronal plexus beneath the receptor cell layers of the epithelia and in the appropriate by: The innervation of the branchial heart of Sepia officinalis was examined using TEM and glyoxylic acid induced fluorescence.

In the cardiac ganglion an Cited by: 9. This paper reports a preliminary investigation into physiological and pharmacological aspects of the motor activity of the digestive tract of Octopus vulgaris, with reference tothe relevant anatomy.

The results suggest that the octopus gut shows many similarities to somevertebrate guts in terms of functional morphology and motor by:. Photographic evidence is presented to emphasize that in the cephalopod brain the fluorescence is not uniformly distributed.

The possibility that noradrenalin, dopamine and 5HT have specific.J. B. Messenger's 26 research works with 1, citations and 1, reads, including: Reflecting elements in cephalopod skin and their importance for camouflage.Philosophical Transactions of the Royal Society of London.

Series B, Biological Sciences, Vol.No.Nov. 24,