Transitional epi.(变移上皮) o flexible-the number of layers and shape of cells g. distended bladder: 2-3 layers become flattened s contracted bladder: 6-7 layers Distribution: bladder e Transitional Transitional relaxed stretched12 ❖ flexible-the number of layers and shape of cells ❖ distended bladder: 2-3 layers, become flattened. ❖ contracted bladder : 6-7 layers ❖ Distribution: bladder Transitional epi.(变移上皮)