equatorial cleavage

e·qua·to·ri·al cleav·age

cleavage in which the plane of cytoplasmic division is at right angles to the axis of the oocyte.
References in periodicals archive ?
The developing meiosis I spindle is oriented with the metaphase plate in the plane of the equatorial cleavage furrows and the poles straddling the mutually perpendicular polar cleavage furrows (Fig.
A phragmoplast develops in the interzonal region and expands to the equatorial cleavage furrows (Fig.
The metaphase plate of chromosomes occupies the equatorial cleavage furrows at right angles to the polar cleavage furrows, [gamma]-Tubulin is concentrated in the polar regions, although some signal is distributed throughout the spindle (Fig.