The capillary density in 8 human visual cortexes (area striate),4 from children under 14 years old,2 adults and 2 old men over 60,was stereologically studied after alkaline phosphatase staining.

• 本文应用碱性磷酸酶染色；按立体学方法观测了不同年龄(14岁以下儿童4例；成年人2例；60岁以上老人2例)共8例人脑视皮质有纹区各层毛细血管的密度(各层均取40个数据).