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==Description==
==Description==
An abnormal communication between the nasal and oral cavities involving the soft and hard palate, premaxilla and or lip. Abnormalities arise from during foetal development where there is incomplete closure of the primary palate, secondary palate or both.
An abnormal communication between the nasal and oral cavities involving the soft and hard palate, premaxilla and or lip. Abnormalities arise from during foetal development where there is incomplete closure of the primary palate, secondary palate or both.
The primary palate develops into the premaxilla and lip. If closure is not complete this will result in a primary palate or cleft lip (harelip).
The primary palate develops into the premaxilla and lip. If closure is not complete this will result in a primary palate or cleft lip(harelip).
The secondary palate forms the hard and soft palate and incomplete closure of either of these results in a secondary palate or cleft palate.
The secondary palate forms the hard and soft palate and incomplete closure of either of these results in a secondary palate or cleft palate.
Affected animals often have other concurrent congenital abnormalities and hence a thorough physical exam should be undertaken.
Affected animals often have other concurrent congenital abnormalities and hence a thorough physical exam should be undertaken.
==Laboratory Tests==
Often normal unless aspiration pneumonia is present.
==Radiography==
Radiographs of the skull are unnecessary however thoracic radiographs are useful to check for the presence of aspiration pneumonia.
==Treatment==
==Prognosis==
*The commonest structural defect is probably the various forms of cleft palate due to:
*The commonest structural defect is probably the various forms of cleft palate due to:
**failure of fusion and the ingrowths of the [[Skull and Facial Muscles - Anatomy & Physiology#Palatine Bone (os palatinum)|palatine]] shelves or
**failure of fusion and the ingrowths of the [[Skull and Facial Muscles - Anatomy & Physiology#Palatine Bone (os palatinum)|palatine]] shelves or