皮肤结构和功能双语课件

ID:19880243

大小:7.96 MB

页数:56页

时间:2018-10-07

皮肤结构和功能双语课件_第1页
皮肤结构和功能双语课件_第2页
皮肤结构和功能双语课件_第3页
皮肤结构和功能双语课件_第4页
皮肤结构和功能双语课件_第5页
资源描述:

《皮肤结构和功能双语课件》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库

1、Theconstructionsandfunctionsofskin皮肤结构和功能Prof.DanqiDeng(邓丹琪教授、博导)Dept.ofDermatology,theSecondAffiliatedHospitalofKunmingMedicalUniversityhttp://sy.ynderma.com.cnHealthybodydependonhealthskin.Theskinisaaesthetic(审美)organ.Theskinisavitalorganlikeheartis.OutlineEpidermis表皮Dermis真皮Subcutaneoustissue皮下组织

2、Cutaneousappendage皮肤附属器Thefunctionsofskin皮肤的功能Theskinanatomy(皮肤的解剖)Itisthelargestorganofthebody,makingup16%ofbodyweight,withasurfaceof1.5m2Thedepthofskinis0.5~4mm.Theepidermis(表皮)is0.04-1.6mm,theaveragedepthofepidermisis0.1mm.Thedermis(真皮)is1-3mm.TheskinanatomyIt’scontinuouswiththedigestivesystem(li

3、ps).腔口部位形成皮肤黏膜的移行区Theskingrooves(皮沟)andskinridges(皮嵴)Therearethreestructurallayerstotheskin:theepidermis(表皮),thedermis(真皮)andsubcutis(皮下组织)Thedermiscontainsnerveendings,sweatglands(汗腺)andoilglands,hairfollicles(毛囊),andbloodvessels(血管).ThecolorofskinTypeITypeIITypeIIITypeIVTypeVTypeVIThetypeofskinThe

4、epidermis(表皮)Theepidermisisanepithelium(上皮)comprisedofkeratinocytes(角质形成细胞)anddendriticcells(langerhanscells朗格汉斯细胞,merkelcells麦克尔细胞,melanocytes黑素细胞).Themaincellsoftheepidermisarethekeratinocytes(角质形成细胞80%),whichsynthesisetheproteinkeratin(角蛋白).stratumbasale,基底层stratumcorneum角质层stratumspinosum棘层strat

5、umgranulosum颗粒层stratumlucidum透明层Theepidermis(表皮)Stratumbasale(基底层):isamajorregionofmitotic(分裂)activity.Thebasallayeriscomposedofcolumnar(柱状)cellswhichareanchoredtoabasementmembrane(基地膜)Epidermaltransittime(表皮通过时间或更替时间):Newkeratinocytesslowlymigrateuptowardthesurfaceoftheepidermis.Theprocessneeds28da

6、ys.Fromstratumbasaletostratumgranulosumis14days,thentostratumcorneumandgraduallyshedis14days.Totalis28days.Stratumspinosum(棘细胞层)iscomposedof4to8layersofprickle(多角形的)keratinocytes.Keratinocytesareattachedtoeachotherbyintercellularbridge(细胞间桥),whicharedesmosomes(桥粒)Stratumgranulosum(颗粒层)Locatedtheuppe

7、rofstratumspinosum.Stratumgranulosumiscomposedof1to3layersofratherflattened(扁平)cells.Therearesomelargeandbasophil(嗜碱性)granule,calledkeratohylinegranules(透明角质颗粒)incytoplasm(细胞浆).ratherflattenedcellscon

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
正文描述:

《皮肤结构和功能双语课件》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库

1、Theconstructionsandfunctionsofskin皮肤结构和功能Prof.DanqiDeng(邓丹琪教授、博导)Dept.ofDermatology,theSecondAffiliatedHospitalofKunmingMedicalUniversityhttp://sy.ynderma.com.cnHealthybodydependonhealthskin.Theskinisaaesthetic(审美)organ.Theskinisavitalorganlikeheartis.OutlineEpidermis表皮Dermis真皮Subcutaneoustissue皮下组织

2、Cutaneousappendage皮肤附属器Thefunctionsofskin皮肤的功能Theskinanatomy(皮肤的解剖)Itisthelargestorganofthebody,makingup16%ofbodyweight,withasurfaceof1.5m2Thedepthofskinis0.5~4mm.Theepidermis(表皮)is0.04-1.6mm,theaveragedepthofepidermisis0.1mm.Thedermis(真皮)is1-3mm.TheskinanatomyIt’scontinuouswiththedigestivesystem(li

3、ps).腔口部位形成皮肤黏膜的移行区Theskingrooves(皮沟)andskinridges(皮嵴)Therearethreestructurallayerstotheskin:theepidermis(表皮),thedermis(真皮)andsubcutis(皮下组织)Thedermiscontainsnerveendings,sweatglands(汗腺)andoilglands,hairfollicles(毛囊),andbloodvessels(血管).ThecolorofskinTypeITypeIITypeIIITypeIVTypeVTypeVIThetypeofskinThe

4、epidermis(表皮)Theepidermisisanepithelium(上皮)comprisedofkeratinocytes(角质形成细胞)anddendriticcells(langerhanscells朗格汉斯细胞,merkelcells麦克尔细胞,melanocytes黑素细胞).Themaincellsoftheepidermisarethekeratinocytes(角质形成细胞80%),whichsynthesisetheproteinkeratin(角蛋白).stratumbasale,基底层stratumcorneum角质层stratumspinosum棘层strat

5、umgranulosum颗粒层stratumlucidum透明层Theepidermis(表皮)Stratumbasale(基底层):isamajorregionofmitotic(分裂)activity.Thebasallayeriscomposedofcolumnar(柱状)cellswhichareanchoredtoabasementmembrane(基地膜)Epidermaltransittime(表皮通过时间或更替时间):Newkeratinocytesslowlymigrateuptowardthesurfaceoftheepidermis.Theprocessneeds28da

6、ys.Fromstratumbasaletostratumgranulosumis14days,thentostratumcorneumandgraduallyshedis14days.Totalis28days.Stratumspinosum(棘细胞层)iscomposedof4to8layersofprickle(多角形的)keratinocytes.Keratinocytesareattachedtoeachotherbyintercellularbridge(细胞间桥),whicharedesmosomes(桥粒)Stratumgranulosum(颗粒层)Locatedtheuppe

7、rofstratumspinosum.Stratumgranulosumiscomposedof1to3layersofratherflattened(扁平)cells.Therearesomelargeandbasophil(嗜碱性)granule,calledkeratohylinegranules(透明角质颗粒)incytoplasm(细胞浆).ratherflattenedcellscon

显示全部收起
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。
关闭