title: Adaptation of a screw-top vial for use in centrifugation of tissue onto electron microscope grids.
mesh_terms: D000818:Animals; D002498:Centrifugation / Q000295:instrumentation*; D004175:Diptera; D003368:Gossypium; D008297:Male; D008854:Microscopy, Electron; D013094:Spermatozoa / Q000166:cytology