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− | <big><center>[[Avian Digestive Tract - Anatomy & Physiology|'''BACK TO THE AVIAN DIGESTIVE TRACT''']]</center></big>
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| ==Introduction== | | ==Introduction== |
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− | The avian hard palate contains a slit-like opening called the choanal opening which communicates with the nasal pharynx. Air travels through the choanal opening into the infundibulum then dorsally into the auditory tubes. | + | The avian hard palate contains a slit-like opening called the '''choanal opening''' which communicates with the nasal pharynx. Air travels through the choanal opening into the '''infundibulum''', then dorsally into the '''auditory tubes'''. |
− | [[Image:Choana and Infundibulum Avain.jpg|thumb|right|150px|Anatomy of the Avian Hard Palate showing the Choanal opening into the Infundibulum - RVC 2008]] | + | [[Image:Choana and Infundibulum Avain.jpg|thumb|right|250px|Anatomy of the Avian Hard Palate showing the Choanal opening into the Infundibulum - RVC 2008]] |
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| ==Structure and Function== | | ==Structure and Function== |
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− | *Several rows of caudally facing [[Oral Cavity - Tongue - Anatomy & Physiology#Types of Papillae|conical]] papillae
| + | There are several rows of caudally facing '''[[Tongue - Anatomy & Physiology#Types of Papillae|conical]] papillae'''. A long, narrow, median slit in the [[Pharynx - Anatomy & Physiology|pharynx]] marks the '''infundibulum'''. |
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− | *Long, narrow, median slit in the [[Pharynx - Anatomy & Physiology|pharynx]] marks the infundibulum
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| ==Histology== | | ==Histology== |
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− | *Numerous [[Oral Cavity - Salivary Glands - Anatomy & Physiology|salivary glands]] are present in the submucosa
| + | There are numerous [[Salivary Glands - Anatomy & Physiology|salivary glands]] present in the '''submucosa'''. Salivary secretions are mainly mucous with some amylase. The hard palate has a thick layer of '''stratified squamous epithelium'''. |
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− | *Salivary secretions are mainly mucous with some amylase
| + | ==Links== |
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− | *Thick layer of stratified squamous epithelium
| + | Click here for more information on the '''[[Hard Palate|hard palate]]'''. |
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| + | {{Template:Learning |
| + | |flashcards = [[The Avian Alimentary Tract - Anatomy & Physiology - Flashcards|The avian alimentary tract]] |
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− | ==Links==
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− | | + | [[Category:Avian Alimentary System - Anatomy & Physiology]] |
− | [[Hard Palate - Anatomy & Physiology]] | + | [[Category:A&P Done]] |