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==Defence Mechanisms==
 
==Defence Mechanisms==
# Secretions :
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#* Mucus (inhibits contact with mucosa, protects surface).
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'''Secretions'''
#* Acid (parietal cells)
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#* Digestive enzymes (pepsin from gastric chief cells)
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Mucus (inhibits contact with mucosa, protects surface), acid (parietal cells) and digestive enzymes (pepsin from gastric chief cells) are all secreted by the ruminant stomach.
# Epithelium:
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#* Provides a barrier
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'''Epithelium'''
#** Stratified squamous epithelium; multilayered, high cell turnover  
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# Movement:
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Provides a barrier. It is a stratified squamous epithelium; multilayered, with a high cell turnover.
#* Continuous movement discourages persistence of insult at mucosa.
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'''Movement'''
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Continuous movement discourages persistence of insult at the mucosa.
    
'''Test Yourself with [[The Stomachs of the Ruminant - Anatomy & Physiology - Flashcards|Ruminant Stomachs Flashcards]]'''
 
'''Test Yourself with [[The Stomachs of the Ruminant - Anatomy & Physiology - Flashcards|Ruminant Stomachs Flashcards]]'''
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