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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
Summary
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
(Click for Interactive Map)
Spatial coordinates
Temporal Coverage
Start Date:
1982-10-30
Stop Date:
1982-12-02
Location Keywords
Science Keywords
AGRICULTURE
>
ANIMAL SCIENCE
>
ANIMAL PHYSIOLOGY AND BIOCHEMISTRY
BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > FISH > RAY-FINNED FISHES BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > FISH > RAY-FINNED FISHES > PERCH-LIKE FISHES BIOSPHERE > ECOLOGICAL DYNAMICS > SPECIES/POPULATION INTERACTIONS > EVOLUTIONARY ADAPTATION
ISO Topic Category
Platform
Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
Personnel
Role:
INVESTIGATOR
Phone:
+64 9 423 9387
Email:
ja.macdonald at xtra.co.nz
Contact Address:
Omiha Farm
City:
Wellsford
Postal Code:
0972
Country:
NEW ZEALAND
Publications/References
Macdonald, J.A. 1983. Neuromuscular cold adaptation in an Antarctic fish. NZ Antarctic Record 5(2): 1-10.
Creation and Review Dates
DIF Creation Date:
2009-01-08
Last DIF Revision Date:
2009-01-09
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