Highly keratinized processes that are sharp and curved, or flat with pointed margins. They are found especially at the end of the limbs in certain animals
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Hoofs -- Diseases : Equine laminitis / editor, James K. Belknap ; associate editor, Raymond Geor
Hoogstraten, Samuel van, 1627-1678 -- Aesthetics : The visible world : Samuel van Hoogstraten's art theory and the legitimation of painting in the Dutch golden age / Thijs Weststeijn ; translated by Beverley Jackson and Lynne Richards