Annulate Lamellae in Prothoracic Gland Cells of Brainless Pupae of the Swallowtail, Papilio xuthus (Lepidoptera) : Cell Biology

概要

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In 2 individuals out of 33 brain extirpated diapause pupae of the swallowtail, Papilio xuthus, the prothoracic gland cell (PGC) was particularly characterized by abundant annulate lamellae, of which some showed an unusual open flower arrangement. In addition, the cytoplasm contained numerous agranular membranes, which seemed to originate from the annulate lamellae and which were in close contact with dense masses that appeared to be liberated from large denser cytoplasmic spherules encapsulated by a nest of mitochondria. The PGC was also characterized by a multilobulated nucleus and remarkable perichromatin granules surrounded by massive condensed heterochromatin. These cytological features may account for the peculiar fact that some brainless pupae occasionally break their dormancy during a long storage period.
社団法人日本動物学会の論文
1989-10-15