浆液性腺泡 粘液性腺泡 a0n:产 t:细 F混合性泡 0易 纹状 一闰管 小叶间导骨 b. submandibular gland -mixed( mainly serous, less mucous and mixed) short intercalated duct, long striated ductb. submandibular gland: -mixed( mainly serous, less mucous and mixed) -short intercalated duct, long striated duct