Cremasteric aery is a branch of

The inferior epigastric aery - It arises from the external iliac aery near its lower end just above the inguinal ligament. It runs upwards and medially in the extraperitoneal connective tissue, passes just medial to the deep inguinal ring, pierces the fascial transversalis at the lateral border of the rectus abdominis and enters the rectus sheath by passing in front of the arcuate line .Within the sheath it supplies the rectus muscle and ends by anastomosing with the superior epigastric aery. branches of inferior epigastric aery - (a) A cremasteric branch - To the spermatic cord, or the aery of the round ligament in females; (b) A pubic branch - Which anastomoses with the pubic branch of the obturator aery; (c) muscuiarbranches - To the rectus abdominis , and (d) cutaneous branches - To the overlying skin. Ref : B D Chaurasia's Human Anatomy , seventh edition, volume 2 , pg. no. 229