prothoracic gland


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prothoracic gland

n.
Either of a pair of endocrine glands located in the prothorax of certain insects and secreting a hormone that regulates molting.
References in periodicals archive ?
Proteins could be also involved in 1) intracellular transport of cholesterol or intermediate steroids, as has been described for adrenocortical cells or insect prothoracic glands (Feuilloley and Vaudry, 1996, Birkenbeil, 1983), and 2) in the storage of steroid hormones in secretory granules, as suggested for the DB cells of Helisoma duryi (Saleuddin et al., 1989).
Additional evidence for the masking role and decreased capacity in aged cells of Sia were obtained from insect tissue, prothoracic glands, in Galleria mellonella (Lepidoptera).