Vascular Resistance in the Isolated Gills of Octopus macropus and Nautilus pompilius
Vascular Resistance in the Isolated Gills of Octopus macropus and Nautilus pompilius
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1982-07
Authors
Redmond, James R.
Bourne, George B.
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University of Hawai'i Press
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Abstract
The gills of cephalopods represent a potential site of regulation of
vascular peripheral resistance. Measurements of pressure-flow relationships in
the isolated gills of Octopus macropus and Nautilus pompilius gave no evidence of
autoregulation. Perfusion with putative neurotransmitters showed 5-hydroxytryptamine,
and possibly dopamine, to reduce vascular resistance. Physiological
concentrations of acetylcholine and noradrenaline did not alter resistance to
flow.
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Redmond JR, Bourne GB. 1982. Vascular resistance in the isolated gills of Octopus macropus and Nautilus pompilius. Pac Sci 36(3): 297-303.
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