Ultrastructural and cytochemical aspects of metamorphosis in the midgut of Apis mellifera L. (Hymenoptera: Apidae: Apinae)
| Autor: | Carminda da Cruz-Landim, Vagner Melo Cavalcante |
|---|---|
| Rok vydání: | 2003 |
| Předmět: |
Larva
media_common.quotation_subject fungi Metamorphosis Biological Histology Midgut Anatomy Biology Bees Epithelium Phosphoric Monoester Hydrolases Cell biology Pupa Microscopy Electron medicine.anatomical_structure medicine Ultrastructure Instar Animals Animal Science and Zoology Metamorphosis Digestive System Brazil media_common |
| Zdroj: | Zoological science. 20(9) |
| ISSN: | 0289-0003 |
| Popis: | The midgut of Apis mellifera is remodeled during metamorphosis. The epithelium and, to a lesser extent, the muscular sheath degenerate between the end of the last larval instar and the onset of pupation (prepupa). The larval epithelium is shed to the midgut lumen and digested, while a new epithelium is reconstructed from larval regenerative cells. During pupation, some reorganization still occurs, mainly in brown-eyed pupae. In pharate adult, the midgut wall shows the characteristics of adult, although some cells have pycnotic nuclei. The localization of alkaline and acid phosphatases showed that these enzymes were not involved in the reabsorption of the midgut wall. |
| Databáze: | OpenAIRE |
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