Chinese INK and Silver Nitrate was injected into the arteries of hearts of 20 foetus and then tie observation of the heart was made under microscope.

• 本实验采用墨汁硝酸银水溶液局部动脉灌注方法,对20例(新生儿10例,胎儿10例)心器官内淋巴管的分布进行观察。