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Keywords: heart tube
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Journal Articles
J Exp Biol (2023) 226 (13): jeb245839.
Published: 5 July 2023
... is constructed as a tube into which the haemolymph is sucked and pumped forward by rhythmic contractions running from the posterior to the anterior, where it leaves the heart tube. The heart harbours cardiac valves to regulate flow directionality, with a single heart valve differentiating during larval...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (12): 2108–2116.
Published: 15 June 2012
...Daniel Kueh; John A. Jellies SUMMARY The heart excitor (HE) motor neuron in the leech Hirudo releases acetylcholine (ACh) and a peptide, FMRFamide, to regulate the contractile activity of the heart tube and associated side vessels. Consistent with Dale's principle, it was assumed that both...