𝔖 Bobbio Scriptorium
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External ions and membrane potential of leech neuropile glial cells

✍ Scribed by Wolfgang Walz; Wolf R. Schlue

Book ID
118867882
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
1000 KB
Volume
239
Category
Article
ISSN
0006-8993

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Double-barrelled microelectrodes, sensitive to quaternary ammonium ions, were used for simultaneous measurements of the intracellular free concentrations of choline ([Ch],) or tetramethylammonium ([TMAIJ as well as membrane potential (Em) in neuropile glial cells of the leech, Hirudo medicinalis. Ba

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We investigated the effects of ATP (adenosine 5Ј-triphosphate) and derivatives on leech neuropile glial cells, focusing on exposed glial cells. ATP dosedependently depolarized or hyperpolarized neuropile glial cells in situ as well as exposed neuropile glial cells. These potential shifts varied amon