Difference between revisions of "Hard Palate"
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*Smaller papillae ducts branching to [[Nasal cavity - Anatomy & Physiology|nasal cavity]] and vomeronasal organ | *Smaller papillae ducts branching to [[Nasal cavity - Anatomy & Physiology|nasal cavity]] and vomeronasal organ | ||
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==Species Differences== | ==Species Differences== | ||
Revision as of 15:53, 4 September 2010
Introduction
The hard palate (palatum durum) forms the rostral roof of the oral cavity. It merges caudally with the soft palate where a connective tissue aponeurosis replaces the bone.
Structure and Function
- Bony shelf of palatine processes of the incisive, maxillary and palatine bones. Failure of the palatine bones to fuse results in cleft palate.
- 6-8 fixed transverse ridges to direct food caudally
- Flat
- Incisive papilla (small median swelling) behind incisive teeth
- Smaller papillae ducts branching to nasal cavity and vomeronasal organ
Histology
Species Differences
Herbivores
- More heavily keratinised
Feline
- Short hard palate