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No modern birds possess [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|teeth]], however rudimentary [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology#Anatomy of the Enamel Organ|enamel organs]] have been discovered in the embryos of some birds.
 
No modern birds possess [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|teeth]], however rudimentary [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology#Anatomy of the Enamel Organ|enamel organs]] have been discovered in the embryos of some birds.
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The size and structure of the avian tongue varies between species. It is related to functional requirements
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The size and structure of the avian [[The Avian Tongue - Anatomy & Physiology|tongue]] varies between species; it is related to the functional requirements of each species.
    
[[Image:Avian Tongue and Oral Cavity.jpg|thumb|right|150px|Avian Tongue - Copyright RVC 2008]]
 
[[Image:Avian Tongue and Oral Cavity.jpg|thumb|right|150px|Avian Tongue - Copyright RVC 2008]]
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