下颌下腺是人体颌下区颌下三角的主要解剖结构,属于消化腺之一,其位置重要、功能独特,多年来,国内外学者对其进行了广泛、深入的研究。本文从其解剖、密度、影像学检查方法、生物活性物质、生物学意义等方面进行了综述,可为深入研究下颌下腺对肌体的影响提供更多的依据。 Submandibular gland is the main anatomical structure of the submandibular triangle of the human submandibular region and belongs to one of the digestive glands. Its position is important and unique in function. Over the years, scholars at home and abroad have conducted extensive and in-depth research. This article reviews its anatomy, density, imaging methods, bioactive substances, biological significance and so on, which can provide more basis for further study on the effects of submandibular gland on the body.