All of the following regarding esophagus are true except:
Correct Answer: Lower one third is lined by transitional epithelium
Description: Ans b) Lower one third is lined by transitional epitheliumEsophagus- LiningMucosa - stratified squamous non keratinized epitheliumSubmucosa - mucous gland throughout its length and lymphoid tissueMuscularis externa - toughest layerUpper one third - Striated muscleMiddle one third - Striated & smooth muscleLower one third - smooth muscleAdventitiaDistance from incisor teethBony levelAnatomical landmarks115cmsC6Phnryngo esophageal junction222.5cms-Aorwc arch crosses it327.5cms-Lt bronchus crosses it440cmsT10Pierces diaphragmTotal length = 25 cmsEsophageal constrictions
Category:
Anatomy
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