Pterygoid bone
Ox
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They are thin plates of bones situated on either side of the posterior nares located over the perpendicular parts of the palatine bones.
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This medial face forms part of the lateral wall of the posterior nares.
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The lateral face meets the palatine and the subsphenoidal process of the sphenoid.
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The extreme upper part of this face forms the pterygoid or vidian canal with the sphenoid.
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The lower extremity is free and forms a curved process the hamulus pterygoideus around which the tendon of the tensor palati is reflected.
Horse
Dog
Fowl
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It is rod shaped and extends between the rostrum of the sphenoid medially and quadrate bone laterally.
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Last modified: Friday, 13 April 2012, 10:00 AM