Fine Structure of the Interpseudotracheal Papillae of the Blowfly

Science  25 Jan 1963:
Vol. 139, Issue 3552, pp. 347
DOI: 10.1126/science.139.3552.347


Electron-microscope studies of the interpseudotracheal papillae of the blowfly Phormia regina (Meigen) revealed that each papilla contains four nerve fibers. The nerve fibers are encased in a cuticular sheath located in the lumen of the papilla inside the vacuole of the trichogen cell.