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Estimates of the amount of neuromuscular transmitter released by motor nerve terminals at different temperatures in the Antarctic fish Pagothenia borchgrevinki
Entry ID: K012_1982_1983_NZ_3

Abstract: The number of quantal doses of acetylcholine released by a nerve to activate a muscle can be estimated by recording repeated responses (end plate potentials of EPPs) to nerve stimulation and calculating mean EPP amplitude and variance. Evoked EPPS were recorded over a range of temperatures (-2°C to 12°C) and was used to estimate the amount of neuromuscular transmitter released by motor nerve terminals by calculating the synaptic quantal number (number of synchronous miniature end plate currents) and its variation over a range of temperatures.
Geographic Coverage
Spatial coordinates   
  N: -77.85   S: -77.85   E: 166.75   W: 166.75

Temporal Coverage
Start Date: 1982-10-30
Stop Date: 1982-12-02
ISO Topic Category
Data Set Progress
Data Center
Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand Supplemental Info
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Country: New Zealand
Phone: +64 9 423 9387
Email: ja.macdonald at
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Macdonald, J.A. 1983. Neuromuscular cold adaptation in an Antarctic fish. NZ Antarctic Record 5(2): 1-10.
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Creation and Review Dates
DIF Creation Date: 2009-01-08
Last DIF Revision Date: 2016-01-27

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