DigestivetractLightCDarkCTasteporeTastebudfiliformandfungiformpapillae(HE)circumvallatedpapillae(HE)Tonguefoliatepapillae(HE)Foliatepapillae-tastebud(HE)Tastepore●mucousmembraneoftongueLingualpapillae:filiform,fungiform&:darkC,lightC&:epithelium:Laminapropria:Muscularismucosa::::Esophagus(HE):●Epi.:-keratinized●laminapropria:CT.●muscularismucosa::esophagealglands,:innercircular,outerlongitudinal ::::smoothM.
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