Antlers are the usually large and complex horn-like appendages of most deer species, mostly worn by males in true horns. Each antler grows from an attachment point on the skull called a pedicle. While an antler's growing it's covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its proper size, the velvet's lost and the antler's bone dies. This dead bone structure's the mature antler. Antlers are shed after each m… (More on Antler)