Ininsect physiology and anatomy, the corpus allatum (plural: corpora allata) is an endocrine gland that generates juvenile hormone; as such, it plays a crucial role in metamorphosis. Surgical removal of the corpora allata (anallatectomy) can cause an immature larvatopupate at its next molt, resulting in a miniature adult.[1] Similarly, transplantation of corpora allata from a young larva to a fully mature larva can greatly extend the larval stage, resulting in an equivalent to gigantism.[2]
In many Diptera species, the corpus allatum is fused with the corpus cardiacum, forming a "ring gland", also known as Weismann's ring.[3]
InLepidoptera species, the corpus allatum acts as a release site for prothoracicotropic hormone which is generated by the brain.[4]
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