Difference between revisions of "Hard Palate"

Revision as of 17:23, 9 July 2008

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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 veromeronasal organ

Histology

Hard Palate (Mouse) - Copyright RVC 2008

Thick mucosa

keratinised stratified squamous epithelium

Species Differences

Herbivores

More heavily keratinised in herbivores

Links

Pathology of Cleft Palate

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-{{OpenPagesTop}}
+<big><center>[[Alimentary - Anatomy & Physiology|'''BACK TO ALIMENTARY - ANATOMY & PHYSIOLOGY''']]</center></big>
-==Overview==
+<big><center>[[Oral Cavity - Cavity - Anatomy & Physiology|'''BACK TO ORAL CAVITY - ANATOMY AND PHYSIOLOGY]]</center></big>
-The hard palate ('''palatum durum''') forms the rostral roof of the [[Oral Cavity Overview - Anatomy & Physiology|oral cavity]]. It merges caudally with the [[Soft Palate|soft palate]] where a connective tissue '''aponeurosis''' replaces the bone.
+==Introduction==
-[[Image:Hard and Soft Palate Anatomy.jpg|thumb|right|250px|Hard Palate - Copyright Nottingham 2008]]
+The hard palate (palatum durum) forms the rostral roof of the [[Oral Cavity Overview - Anatomy & Physiology|oral cavity]]. It merges caudally with the [[Soft Palate - Anatomy & Physiology|soft palate]] where a connective tissue aponeurosis replaces the bone.
 ==Structure and Function==
-The hard palate is the bony shelf of the palatine processes of the [[Skull and Facial Muscles - Anatomy & Physiology#Incisive Bone (os incisivium)|incisive]], [[Skull and Facial Muscles - Anatomy & Physiology#Maxilla|maxillary]] and [[Skull and Facial Muscles - Anatomy & Physiology#Paltine Bone (os palatinium)|palatine bones]]. Failure of the [[Skull and Facial Muscles - Anatomy & Physiology#Palatine Bone (os palatinium)|palatine bones]] to fuse results in [[Cleft Palate|cleft palate]].
+*Bony shelf of palatine processes of the incisive, maxillary and palatine bones. Failure of the palatine bones to fuse results in cleft palate.
-There are 6-8 fixed transverse ridges to direct food caudally. The hard palate is flat and has '''incisive papilla''' (small median swelling) behind the incisive [[:Category:Teeth - Anatomy & Physiology|teeth]] and smaller '''papillae ducts''' branching to the [[Nasal Cavity - Anatomy & Physiology|nasal cavity]] and vomeronasal organ.
+*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 veromeronasal organ
 ==Histology==
 [[Image:Hard Palate Histology.jpg|thumb|right|150px|Hard Palate (Mouse) - Copyright RVC 2008]]
-The palate is formed by thick mucosa and  keratinised stratified squamous epithelium.
+*Thick mucosa
+*keratinised stratified squamous epithelium
 ==Species Differences==
-===Herbivores===
+'''Herbivores'''
-Herbivores have a more heavily keratinised hard palate.
+*More heavily keratinised in herbivores
-===Feline===
-Felines have short a hard palate.
 ==Links==
-Click here for the [[Cleft Palate|Pathology of Cleft Palate]]
+[[Oral Cavity - Cavity & Gingiva|Pathology of Cleft Palate]]
-{{OpenPages}}
-[[Category:Oral Cavity - Anatomy & Physiology]]