Methods:The origins,courses,branches and anastomosis of the inferior patellar of the descending genicular arteries were observed on 30 adult cadavers perfused with red latex.

• 方法：用30侧经动脉红色乳胶灌注的成人下肢标本，解剖观测膝降动脉髌下支起始、位置、至胫骨内侧面的分支、分布和吻合。