Term Name:	polar microtubule
Synonyms:	pole-to-pole microtubule
Definition:	Any of the spindle microtubules that come from each pole and overlap at the spindle midzone. This interdigitating structure consisting of antiparallel microtubules is responsible for pushing the poles of the spindle apart.
Ontology:	GO: Cellular Component [GO:0005827]    QuickGO    AmiGO