corpus cardiacum

corpus cardiacum

[′kȯr·pəs ‚kärd·ē′ak·əm]
(invertebrate zoology)
One of a pair of separate or fused bodies of nervous tissue in many insects that lie posterior to the brain and dorsal to the esophagus and that function in the storage and secretion of brain hormone.
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Effect of corpus cardiacum and other insect organs on the colour-change of the shrimp, Leander adspersus.
13), so that neurosecretions accumulate inside the cells in large amounts, while their axons appear cleared, with neurosecretory material not passing to the corpus cardiacum in the normal pathway.
1984) suggest that azadirachtin interferes with the neuroendocrine system controlling ecdysone and JH synthesis, leading to a high accumulation of stainable neurosecretory material in the corpus cardiacum of L.
On the other hand, the transport of labeled protein from the brain to the corpus cardiacum and its release has been observed at a very low level in azadirachtin-treated L.

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