Objective: To obtain the acellular matrix from tracheae of rabbits and Sprague-Dawley (SD) rats, acted as tubular scaffold for salivary gland organoid tissue engineering study.

• 摘要目的：制作脱细胞气管基质，为组织工程化人工涎腺样组织的体外构建研究提供天然衍生生物导管支架材料。