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Biol Bull 137: 352-358. (October 1969)
© 1969 Marine Biological Laboratory
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BODY CONSTRAINT AND DEVELOPMENTAL ARREST IN GALLERIA MELLONELLA L.: FURTHER STUDIES

FRANTISEK SEHNAL 1 and JOHN S. EDWARDS 1

1 Developmental Biology Center, Case Western Reserve University, Cleveland, Ohio 44106

Restraint of Galleria larvae by mechanical means suspends the capacity for development. Restraint inhibits, apparently by a nervous route, secretion of prothoracotropic hormone from the brain; prothoracic glands do not produce the molting hormone and larvae thus never molt. Targets of the molting hormone are not affected and respond normally to an artificial supply of the hormone. These results support the hypothesis that appropriate proprioceptive input is a necessary condition for the normal activation of the neuro-endocrine system.






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Copyright © 1969 by the Marine Biological Laboratory.