title: Aging and the visceral musculature of the adult fruitfly: an ultrastructural investigation.
mesh_terms: D000375:Aging; D000818:Animals; D004331:Drosophila melanogaster / Q000033:anatomy & histology*; D005260:Female; D007422:Intestines / Q000648:ultrastructure*; D008297:Male; D009132:Muscles / Q000648:ultrastructure*; D009210:Myofibrils / Q000648:ultrastructure