Distribution line of Yin link vessel: from the front of inguinal groove upward to chest-costal margin, incline to chest and upper hind neck of throat.
Crossing meridian and collateral of Yin link vessel: crosses meridian of Foot-TAI YIN at Daheng (SP 15), Fu’ai; crosses meridian of Foot-TAI YIN, meridian of Foot-JUE YIN at Qimen; crosses meridian of Foot-SHAO YIN at Fushe; crosses Conception vessel at Tiantu (Ren 22).