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==Oesophagus==
 
==Oesophagus==
 
==Stomach==
 
==Stomach==
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[[Image:Margo Plicatus.jpg|thumb|right|250px|Equine Stomach with Margo Plicatus - Copyright RVC 2008]]
 
A region called the '''margo plicatus''' is present which separates the glandular and non-glandular parts of the equine stomach. The non-glandular area is lined with squamous epithelium (not columnar).
 
A region called the '''margo plicatus''' is present which separates the glandular and non-glandular parts of the equine stomach. The non-glandular area is lined with squamous epithelium (not columnar).
 
The stomach is relatively small (10% GIT) with a strong '''cardiac sphincter''' which prevents the animal from [[Vomiting|vomiting]]. The equine stomach is rarely empty, retention time is short and expulsion into the [[Duodenum - Anatomy & Physiology|duodenum]] stops when feeding stops. A 500kg horse can produce 30l of gastric juice in 24 hours.
 
The stomach is relatively small (10% GIT) with a strong '''cardiac sphincter''' which prevents the animal from [[Vomiting|vomiting]]. The equine stomach is rarely empty, retention time is short and expulsion into the [[Duodenum - Anatomy & Physiology|duodenum]] stops when feeding stops. A 500kg horse can produce 30l of gastric juice in 24 hours.
[[Image:Margo Plicatus.jpg|thumb|right|250px|Equine Stomach with Margo Plicatus - Copyright RVC 2008]]
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