Halo Formation

A complication of poorly planned hair transplantation, in which superior fringe hair—which marks a boundary for transplantation, begins to ‘migrate southward’ and leave a perimeter or halo of new bald skin
References in periodicals archive ?
The nuclei were small and slightly irregular, with vesicular chromatin and indistinct nucleoli with halo formation around the nuclei.
According to the current theory of galaxy formation, we expect a halo to preserve evidence of past galaxy mergers and/or tidal dissolution in the course of halo formation.
A wealth of new phenomena will be studied, including longitudinal-transverse coupling, resistive-wall instability, halo formation, resonance traversal, evolution of energy spread, and emittance growth due to several possible causes.