obsolete cytokinesis, initiation of separation true cytokinesis, initiation of separation initiation of separation involved in cytokinesis GO:0007108 This term was obsoleted because it was vaguely defined and had very likely been used in error. Consider the child terms of cytokinesis related to ring positioning, assembly, ring constriction etc. which would be more appropriate. OBSOLETE. The process involved in starting cell separation. biological_process