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invertebrate endocrine systems ...structures are all found in
the insect endocrine system. There are several neurosecretory
centres in the brain, the largest being the pars
intercerebralis. The paired corpora cardiaca (singular, corpus
cardiacum) and the paired corpora allata (singular, corpus
allatum) are both neurohemal organs that store brain
neurohormones, but each has some endocrine cells as well. The
ventral nerve cord... ...consists of neurosecretory cells in the
protocerebrum of the brain. The axons of these cells form nerves
that innervate structures called corpora cardiaca, situated just
posterior to the brain. A corpus cardiacum is an organ in which
neurosecretory products are stored in the nerve terminals for
later release into the vascular system. What made you want to
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