Chapter11TheSkinSkin：Epidermis、Dermis一、Histologicalstructureofskin（一）KeratinizingandlayersofEpidermis：Astratifiedsquamousepitheliumwhichconsistsofkeratinocytesandothertypesofcells(Melanocyte、Merkelscell、Langerhanscell)。第一页，共三十一页。第二页，共三十一页。Fivelayersofepidermisandkeratinization：1、StratumBasale2、StratumSpinosum3、StratumGranulosum4、StratumLucidum5、StratumCorneum第三页，共三十一页。1、TheStratumBasale：asinglelayerofcolumnarorhighcuboidalcells.2、TheStratumSpinosum：4—10layersofcellswhichbecomeirregularlypolygonalwithmoderateflatteningparalleltothesurface.nucleusisdistinguishableonlyinafewcells(keratohyalin、tonofilament)第四页，共三十一页。3、TheStratumGranulosum:Itconsistsof2—3layersofflattenedrhomboidcellswhosecytoplasmcontainsnumerouskeratohyalingranules.4、TheStratumLucidum：2—3layersofflattenedanddenselypackedcells.Thenucleiandtheoutlineofthestructuresaredisappear.第五页，共三十一页。5、TheStratumCorneum：layersofflattened、cornifiedcellswithoutnuclei(hornycells)andfilledwithkeratin.（二）Unkeratinocyte(Melanocyte、Merkelscell、Langerhanscell)第六页，共三十一页。第七页，共三十一页。二、Dermis：consistsofconnectivetissue（掌握(zhǎngwò)）1、ThePapillaryLayer：looseconnectivetissue.Dermalpapillae、tactilecorpuscle2、TheReticularLayer：moredenseandcontainscoarsecollagenousfibers.Therearesomelittlestructuressuchashairfollicle、sebaceousglandsandsweatglandsinthislayer.第八页，共三十一页。第九页，共三十一页。三、Accessoryglandsofskin.（熟悉(shúxī)）1、Hair：hairshaft、hairroot、hairfollicle、hairbulb、hairpapilla(毛乳头)、arrectorpilimuscle.2、Sebaceousgland3、Sweatgland：scrinesweatgland小apocrinesweatgland大毛囊(máonáng)第十页，共三十一页。Chapter14Digestivesystem一、Generationstruction（一）Mucosa：1、Epithelium2、Laminapropria3、Muscularismucosae第十一页，共三十一页。（二）Submucosa（三）Muscularis（四）Adventitia第十二页，共三十一页。三、Esophagus1.Mucosa(15.9)1.Mucosa(15.9)1).strat.squam.nonkerat.epith.1).strat.squam...
