Avian Hard Palate

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Introduction

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.

Anatomy of the Avian Hard Palate showing the Choanal opening into the Infundibulum - RVC 2008

Structure and Function

There are several rows of caudally facing conical papillae. A long, narrow, median slit in the pharynx marks the infundibulum.

Histology

There are numerous 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.

Links

Click here for more information on the hard palate.


Avian Hard Palate Learning Resources
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The avian alimentary tract



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