True about anterior intercostal aery: (A) Present in 1st to 11th intercostal space, (B) Each intercostal space has two anterior intercosta aeries, (C) Branch of internal thoracic aery, (D) Branch of aoa
Answer is C. The anterior intercostal branches of internal thoracic aery supply the upper five or six intercostal spaces. BD CHAURASIA&; S HUMAN ANATOMY UPPER LIMB THORAX VOL I SIXTH EDITION PAGE NO223