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II.—The Circulatory System of the Crustacean Euphausid, Meganyctiphanes norvegica (M. Sars)*

Published online by Cambridge University Press:  11 June 2012

John Mauchline
John Mauchline
Affiliation:
The Marine Station, Millport, Isle of Cumbrae, and Department of Zoology, Glasgow University.
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Synopsis

In Meganyctiphanes the blood is pumped from the heart to the various regions of the body by way of a well-developed arterial system. It passes out of the open ends of the final sub-branches of the arteries into the various sinuses, finally collecting in the posterior ventral region of the thorax. From there, by the action of the pericardium and the muscles associated with the afferent branchial channels, it enters the afferent branchial channels whence it circulates through the branchial veins in the branchiæ, to the efferent branchial channels. The beating of the heart draws the blood into the pericardium whence it reaches the heart cavity by way of two pairs of ostia.

Type
Research Article
Information
Proceedings of the Royal Society of Edinburgh, Section B: Biological Sciences , Volume 67 , Issue 1 , 1958 , pp. 32 - 41
Copyright
Copyright © Royal Society of Edinburgh 1958

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References

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