keratosis follicularis: a rare hereditary condition marked by dark crusted patches (sometimes containing pus)
keratosis: a skin condition marked by an overgrowth of layers of horny skin
retrial: a new trial in which issues already litigated and to which the court has already rendered a verdict or decision are reexamined by the same court; occurs when the initial trial is found to have been improper or unfair due to procedural errors