Lateral sacral artery in Thais.

In a dissection of 372 pelvic halves of Thai adult cadavers, the lateral sacral arteries were classified into seven types according to the numbers of the vessels and their distribution to the ventral sacral foramina. The percentage of type one to seven were 23.7, 69.6, 0.5, 4.6, 0.5, 0.8 and 0.3 respectively.