А., развивающийся вследствие замедленного созревания базальных и шиповатых клеток эпидермиса, напр. при радиационном поражении кожи.
"He has achieved success who has worked well, laughed often, and loved much." Elbert Hubbard
"Honest disagreement is often a good sign of progress." Mahatma Gandhi
"Sweet mercy is nobility's true badge." William Shakespeare
"It is better to know some of the questions than all of the answers." James Thurber
