供氧障碍引起的细胞退化一个器官或组织由于失去细胞而功能退化 Progressive degeneration of an organ or tissue caused by loss of cells.
青春期痴呆一种精神分裂症,通常始发于青春期,其特征为举止痴呆、傻笑、妄想、幻觉以及退化的举止 A type of schizophrenia, usually starting at puberty, characterized by foolish mannerisms, senseless laughter, delusions, hallucinations, and regressive behavior.