The “unipolar moment” that might have described America when the Berlin Wall fell down is long over.
But the idea that the United States must maintain its hegemonic status in a unipolar world—on the right, that has staying power.
The bipolar spot seems to be the dominant type, and the unipolar type a variant of it.
unipolar spots are very seldom observed without some indication of the characteristics of bipolar groups.
The next morphological category may be spoken of as unipolar symmetry.
Burger showed that all ganglion cells are unipolar, without membranes.
But unipolar symmetry with diverging outgrowths leads us to the next category which may be called radial symmetry.
When the blastula is oval and free-swimming the inner mass is formed by unipolar immigration from the hinder pole.
unipolar u·ni·po·lar (yōō'nĭ-pō'lər)
Having a single fibrous process. Used of a neuron.
Situated at only one extremity of a cell.