Core and sheath

Ox (domestic cattle) characteristics: Unbranched, permanent horn has bony core covered with hard sheath, present usually in both male and female. Horns often cut off by owner ("polled"). No front teeth (incisors) in upper jaw; lower incisors press against toughened skin of palate. Ulna complete, but thin and fused to thicker radius. Only the upper and lower ends of the fibula are present, connected by a fibrous cord that replaces the shaft. The lower end is attached to the underside of the outer portion of the tibia. Four digits with hoofs per limb. Two central toes are large and...

11p audi123 31-07-2010 89 7   Download