Definition of "bisection" []

• A division into two parts, especially into two equal parts (noun)

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• "Thus, if the bisection is not made as early as between the two cells after the first segmentation but later, even at the blastula stage, or at that of the very young gastrula, you can still get twins."
• "This becomes especially clear when the bisection is made in such a way that it separates the ventral half of the embryo from the dorsal half."
• "Shaheed was conscious, despite bisection, and pointed up, 'Take me up there ... so I carried what was now only half a boy (and therefore reasonably light) up narrow spiral stairs to the heights of that cool white minaret, where Shaheed babbled ... the loudspeaker system was activated, and afterwards people would never forget how a mosque had screamed out the terrible agony of war."