Methods The normal human submandibular gland was perfused by formalin and prepared chinese ink, its microvasculature was observed under the light microscope.

• 方法 对摘除的正常下颌下腺进行墨汁、福尔马林灌注固定并切片,光镜下观察腺体的血管构筑的形态特点 和分布规律。