The tissues in different layers and sections of the fresh sample taken from Zusanli acupoint were observed with microscope(X5

2

5)

using ABS mold and lymph perfusion methods. The results show that Zusanli and its control point(non-acupoint) don' t have any special structure except nerve

blood vessel

lymphatic vessel

fascia

tendon and muscle etc.. Acupoint doesn' t consist of one kind of tissue

but it is a spatial structure with multiple layers

which is composed of many kinds of tissues.