Summary
The fat body of the adult housefly is composed of two types of cells, the lipid-and glycogen-rich fat body cells and the oenocytes. A comparison of the fine structure of the abdominal fat body in 4-day old and 31–35 day old male houseflies indicated an increase in lipid and a decrease in glycogen content in the fat body cells of old flies. Oenocytes of old flies exhibit deteriorative alterations with an accumulation of secondary lysosomes. Both fat body cells and oenocytes in senile flies are ingested by hemocytes.
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Sohal, R.S. Fine structural alterations with age in the fat body of the adult male housefly, Musca domestica . Z.Zellforsch 140, 169–175 (1973). https://doi.org/10.1007/BF00306692
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DOI: https://doi.org/10.1007/BF00306692