頸淺層頸前區(qū)的解剖詳解演示文稿

頸淺層頸前區(qū)的解剖詳解演示文稿當前第1頁\共有24頁\編于星期五\13點優(yōu)選頸淺層頸前區(qū)的解剖當前第2頁\共有24頁\編于星期五\13點一、RegionsofneckAnteriorregionofneckSternocleidomastoidregionLateralregionofneckSternocleidomastoid（胸鎖乳突?。㎡mohyoid（肩胛舌骨肌）Digastric（二腹?。?/p>

當前第3頁\共有24頁\編于星期五\13點SubmandibulartriangleSubmentaltriangleCarotidtrianglemusculartriangleSubmentaltriangleGreatersupraclavicularfossalessersupraclavicularfossa當前第4頁\共有24頁\編于星期五\13點二、Superficialstructure(淺層結(jié)構(gòu)）1、Skin（皮膚）2、Superficialfascia（淺筋膜）（1）platysma（頸闊?。┊斍暗?頁\共有24頁\編于星期五\13點AnteriorjugularV頸前靜脈ExternaljugularV頸外靜脈（2）superficialV當前第6頁\共有24頁\編于星期五\13點（3）cutaneousNLesseroccipitalN（枕小神經(jīng)）GreaterauricularN（耳大神經(jīng)）TransverseNofneck（頸橫神經(jīng)）SupraclavicularN（鎖骨上神經(jīng)）（皮神經(jīng)）主要為頸叢皮支當前第7頁\共有24頁\編于星期五\13點①superficiallayer淺層(investingfascia封套筋膜)包裹兩?。盒劓i乳突肌，斜方肌兩腺：下頜下腺、腮腺三、Deepfascia（深筋膜）②precheallayer氣管前層(pretrachealfascia氣管前筋膜)③prevertebrallayer

椎前層（prevertebralfascia椎前筋膜)④carotidsheath頸動脈鞘當前第8頁\共有24頁\編于星期五\13點Deepfascia（深筋膜）Investingfascia封套筋膜Pretrachealfascia(氣管前筋膜)Prevetebralfascia椎前筋膜Carotidsheath頸動脈鞘當前第9頁\共有24頁\編于星期五\13點當前第10頁\共有24頁\編于星期五\13點四、muscle（肌肉）（一）sternocleidomastoid（胸鎖乳突?。焊鄙窠?jīng)當前第11頁\共有24頁\編于星期五\13點（二）suprahyoidmuscles（舌骨上肌群）Digastic二腹肌

Stylohyoid莖突舌骨肌

Mylohyoid下頜舌骨肌

當前第12頁\共有24頁\編于星期五\13點(2)舌骨上肌群Geniohyoid頦舌骨肌

Digastic二腹肌Stylohyoid莖突舌骨肌

Mylohyoid

下頜舌骨肌

當前第13頁\共有24頁\編于星期五\13點

☆Liesbelowthechinandisboundedlaterallybyanteriorbelliesofdigastric,andinferiorlybythebodyofhyoidbone☆Coveredbyskin,superficialfasciaandinvestingfascia☆Floor－mylohyoidmuscles☆Contents－submentallymphnodes頸前區(qū)

1.

Submentaltriangle頦下三角當前第14頁\共有24頁\編于星期五\13點2.

Submandibulartriangle下頜下三角☆

Boundedbyanteriorandposteriorbelliesofdigastricandlowerborderofthebodyofthemandible☆Contents－submandibulargland,faciala.,v.,hypoglossaln..,lingualnandv.,

submandibularganglionandsubmandibularlymphnodes當前第15頁\共有24頁\編于星期五\13點lingualn舌神經(jīng)submandibularganglion下頜下神經(jīng)節(jié)hypoglossaln舌下神經(jīng)當前第16頁\共有24頁\編于星期五\13點submandibulargland下頜下腺,facialv面靜脈,faciala.面動脈當前第17頁\共有24頁\編于星期五\13點3.Carotidtriangleandsternocleidomastoidregion頸動脈三角和胸鎖乳突肌區(qū)（1）ansacervicalis頸袢（2）carotidsheath頸動脈鞘（3）hypoglossaln舌下神經(jīng)（5）cervicalpartofsympathetictrunk

頸交感干（4）accessoryn副神經(jīng)當前第18頁\共有24頁\編于星期五\13點☆ansacervicalis頸袢當前第19頁\共有24頁\編于星期五\13點☆carotidsheath當前第20頁\共有24頁\編于星期五\13點①

CommoncarotidA

（頸總動脈）Onthelevelofthesuperiorborderofthethyroidcartilage,itdividesintotheinternalandtheexternalcarotidarteriesThecarotidsinus

(頸動脈竇)：在位于頸總動脈末端和頸內(nèi)動脈起始處，為壓力感受器。Thecarotidbody(頸動脈小球)：位于頸總動脈分叉處的后方，為化學(xué)感受器。當前第21頁\共有24頁\編于星期五\13點②Externalartery(頸外動脈)Ontheleveloftheneckofthemandible,Itdividesintotwoterminalbranches:themaxillaryA(上頜動脈)andsuperficialtemporalA(顳淺動脈)。在頸部的分支有：

ThesuperiorthyroidA(甲狀腺上動脈)

ThelingualA(舌動脈)

ThefacialA(面動脈)

TheoccipitalA(枕動脈)

TheposteriorauricularA(耳后動脈)

TheascendingpharyngealA(咽升動脈)。當前第22頁\共有24頁\編于星期五\13點④InternaljugularV(頸內(nèi)靜脈)在頸部的主要屬支有：ThefacialV(面靜脈)ThelingualV(舌靜脈)ThesuperiorthyroidV(甲狀腺上靜脈)ThemiddlethyroidV(甲狀腺中靜脈)③TheinternalcarotidA(頸內(nèi)動脈)nobranchintheneck當前第23頁\共有24頁\編于星期五