1) Phase 2) Stage 
The final stage of the first prophase of meiosis. The chromosomes condense to their greatest extent during this stage and normally the nucleolus disappears and the fragments of the nuclear envelope disperse. ... (18 Nov 1997) ... 
(di´ә-kĭ-ne´sis) the fifth and final stage of prophase in meiosis I, during which the chromosomes condense and shorten, the nucleolus and nuclear envelope disappear, and the spindle fibers form.
The final stage of the first prophase of meiosis. The chromosomes condense to their greatest extent during this stage and normally the nucleolus disappears and the fragments of the nuclear envelope disperse.
Type: Term Pronunciation: dī′ă-ki-nē′sis Definitions: 1. Final stage of prophase in meiosis I, in which the chiasmata present during the diplotene stage disappear, the chromosomes continue to shorten, and the nucleolus and nuclear membrane disappear.
[n] - the final stage of the prophase of meiosis
noun the final stage of the prophase of meiosis
the last stage in prophase, in which the nucleolus and nuclear envelope disappear, spindle fibers form, and the chromosomes shorten in preparation for anaphase.