Chromosome elimination in Heteropeza pygmaea. II. Ultrastructure of the spindle apparatus.
D000818:Animals; D002455:Cell Division; D002875:Chromosomes / Q000648:ultrastructure*; D003582:Cytogenetics; D004175:Diptera / Q000166:cytology*; D008854:Microscopy, Electron; D008870:Microtubules