Histology of Oral Cavity and Esophagus PDF

Summary

This document details the histology of the oral cavity, focusing on the tongue. It covers subdivisions based on embryonic origins, types of papillae, muscle structure, taste buds, and mucosa. The document includes numerous questions related to the topics discussed.

Full Transcript

s I.t iiii.ser.rates.a r tfttongue Tongue...

s I.t iiii.ser.rates.a r tfttongue Tongue and Ventral surface possat surface Anterior 2 3 Calledbodyoftongue Posterior 1 3 Called root of tongue Anterior 23 Bodyoftongue andposterior113 Rootoftongueareseparatedbysulcusterminalisor V shaped Q subdivisions of tongue based onembryologicorgins tab of idient Bodyoftongue ff iffwitht fibe fffffh edmusdeinanaireaw if squamousepitheliumonbothsurfaces formspapillae fi iIace Hasminorsalivaryglandsthecollectsmucosa Goose andseroussecretions fucosa sub mucosa muscles or musculosa i iiiiiniiiiiiu.is 1Parotidgland 2 submandibulargland 3sublingualgland to wecantouchthemajorsalivarygland butminorsalivaryglandwecan'ttouchthem In submucosaofcheekcalledbuccalgland sub mucosaoftonguecalledLabialgland iiiiiiitiiiiiii.EE ifsE'doutfardiac w.gg iii 04 Types of lingualpapillae IIEEiif ftp ae papinaedjisnetiif.is filiform am FiliformPapillae swim.im IF Fungiform t Cone shaped to Papillae Circumvallateftp ed foliate Papillae diff 5 Types of muscle of tongue skeletalmuscle IfMentiondifferenttypesof lingualPapillae Anddescribethem 1Filiformpapillae coneshaped 2 Fungiformpapillae Mushroomshaped arosemost alloverthetongue 0 27,411 numerous lessnumerousandpresent Board tipandsidesofthetongue on Hastaste area buds totastebuds arose with fit Bag 6 9,99 3 Circumvallate Papillae Boost d 12PapillaelocatedonsulcusterminalisorVshaped 4 Foliate Papillae LargecircularPapillaeand papillae ooosa Hastastebuds ooosa each bydeepgrae surrounded Goosed Rare in humans serousacinioryou arose EbnorsglandhelptodissolvefoodParticles tenderer Q functionofserous acini Help todissolvefood sohelp tasting Filiform Threadlike orconeshaped fungiform Mushroom like Circumvallate surroundedbywall Foliate Paperlike Filiformis themostnumeroustypeand has notastebudsandcan'trecievetastesensations CircumvallatePapillaeFoliatePapillaeandfungiformpapillae allhavetaste and buds can tastefromareasTipsids recieve back Tp swfet.sk Sdes s ur Back bitte 26 so www.si.wiw am Items Filiformpapillae so im get whfIgYeW1 6 eat'd times off Witmer Qo DefineTastebuds Onionshaped structureintheepitheliumoflingualpapillae ex fungiformPapillae andcircumvallatePapillae Qq function of tastebuds Thetastebud is uncoveredsurfacetofeelsfooddirectly whenfoodstouchmicrovilli oftastebadleads tostimulationofgustatorynervefibersandreceivingsweet saltysourbittersensation Darkstaining cells Palestaining cells Palestainingcellsareactiveones Darkstaining cellsaresupportive cells cells intastebuds tastecells Palecellswithpalenuclei onapextowardstastepore onbasenervefibersurroundedpalecells upportingcells Dark cellswithdarknucleithesecellspresent inperipheryoftastebuds asalcells undifferentiatedstemcellsthatmaydifferentiatetoothertypes ofcells Enumerateanddiscuss thegeneralstructuresof 6 IT Mucosa Epithelium Laminapropriaconnective tissue Muscularismucose ormuscles ofmucosaandcausesfoldingofmucosanotPeristalsis I Submucosa connective tissue containglands esophagusduodenum ex orlymphoidnodulesexileum Q Enumerate thesubdivisionof tongue based onEmberyologic origin ate Q2 Histoligical structure of tongue

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