Related Items   from Encarta  
Keratin
body parts composed of keratin
animal hooves
animal horns
baleen in whales
feathers
hair
hair – Skin
nails
overview
diagrams and illustrations
keratin in animals
production in skin
structure of keratin
Hoof
Hoof, hard, horny material that partially or completely covers the toes of certain mammals known as ungulates, which include horses and cattle. The...
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