[[Image:Gizzard Histology.jpg|thumb|right|250px|Gizzard Histology- Dr. Thomas Caceci]]
[[Image:Gizzard Histology.jpg|thumb|right|250px|Gizzard Histology- Dr. Thomas Caceci]]
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*Thin, but tough mucous membrane
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The gizzars has a thin, but tough '''mucous membrane'''. It has a pale, thin lining raised into ridges with 3 layers of '''lamina muscularis'''. The gizzard has cuboidal epithelium and some tubular glands present. There is a thick keratin layer to protect the muscle.
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*Pale, thin lining raised into ridges
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The '''cuticle of koilin''' is a carbohydrate complex is present due to the solidifying of the glandular secretion. It is replenished as it is worn down.
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*3 layers of lamina muscularis
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*Cuboidal epithelium
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*Tubular glands
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*Cuticle of koilin a carbohydrate complex is present due to the solidifying of the glandular secretion. It is replenished as it is worn down.