Question 1
Question
Esophagus is a [blank_start]muscular organ[blank_end] responsible for [blank_start]transport of bolus[blank_end] from [blank_start]mouth to stomach[blank_end].
Answer
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muscular organ
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transport of bolus
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mouth to stomach
Question 2
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The greatest part of the esophagus lies in the abdominal cavity.
Question 3
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The surface epithelium of esophagus is
Answer
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Non-keratinized stratified squamous epithelium
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Keratinized stratified squamous epithelium
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Pseudostratified squamous epithelium
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Pseudostratified ciliated columnar epithelium
Question 4
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The lamina propria of esophagus is [blank_start]loose CT[blank_end].
Question 5
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The muscularis mucosae of esophagus is [blank_start]not well developed[blank_end] except at the [blank_start]lower third[blank_end].
Answer
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not well developed
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lower third
Question 6
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The muscularis mucosae is well developed at upper third of esophagus.
Question 7
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Esophagus submucosa is formed of [blank_start]dense fibroelastic CT[blank_end].
Question 8
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[blank_start]Submucosal esophageal gland[blank_end] are found along the entire esophageal length in submucosa.
Question 9
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Musculosa of esophagus:
Upper third - [blank_start]striated muscles[blank_end]
Middle third - [blank_start]mixture of striated[blank_end] & [blank_start]smooth muscles[blank_end]
Lower third - [blank_start]smooth muscle fibers[blank_end]
Answer
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striated muscles
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mixture of striated
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smooth muscles
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smooth muscle fibers
Question 10
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Adventitia of esophagus is formed of [blank_start]loose areolar CT[blank_end].
Question 11
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The terminal end of esophagus is covered by [blank_start]mesothelium[blank_end] ([blank_start]serosa[blank_end]).
Question 12
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The outer layer of esophagus is formed of adventitia only.
Question 13
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Identify picture below