The branches to the labia of the posterior internal pudendal artery (rami labiales posteriores, PNA) - according to the name of the anatomical terminology and thematic, contain a number of red blood cells. It has a red-black color. The most branched and largest formation is the middle intermuscular artery, which then divides into the internal and external lateral genital arteries, which run side by side and upward-outward, to the Latvians, to the base of the pubis, closer to the bladder, where they branch into the branches of the labia, superior lateral flow artery and a separate branch at the cross