Keywords oral keratinocyte;urethra;tissue engineering;culture;autologous serum;autologous plasm;fetal calf serum;basement membrane;hypospadias;urethroscopy;complication;morphology;

• 口腔粘膜细胞;尿道;组织工程;细胞培养;人自体血清;人自体血浆;胎牛血清;基底膜;尿道下裂;尿道镜;并发症;形态学;