Inferior rectal aery is a branch of

The inferior rectal aery arises near the posterior end of the pudendal canal from internal pudendal aery, and accompanies the nerve of the same name.The aery supplies the skin and muscles of the anal region, and anastomoses with the superior and middle rectal aeries And the other branches are - The perineal aery ( arises near the anterior end of the pudendal canal ), The aery of the penis or theclitoris Ref : B D Chaurasia's Human Anatomy, seventh edition , volume 2 , pg. no. 397