颈部横断面课件

ThetransversesectionofneckBasicKnowledgeofNeck

内脏格

支持格Partsandregionsoftheneck

血管神经格Relationsofcervicalpartoftrachea★AnteriorlySkinSuperficialfasciaInvestingfasciaSuprasternalspaceandjugulararchInfrahyoidmusclesPretrachealfasciaPretrachealspaceIsthmusofthyroidglandInferiorthyroidv.unpairedthyroidvenousplexusArteriathyroidima(ifpresent)Thymus,leftbrachiocephalicv.andaorticarchinchildSuperolaterallylobesofthethyroidglandPosteriorlyEsophagusR.&L.recurrentlaryngealn.PosterlaterallyCervicalsympathetictrunkCarotidsheathRelationsoftheCervicalpartofesophagusAnteriorlyTracheaRecurrentlaryngealnervesPosteriorlyPrevertebrallayerofcerviclfasciaLonguscolliVertebralcolumnLaterallyLobeofthethyroidglandCarotidsheathwithcommoncarotida.,internaljugularv.,andvagusn.Pharynx咽鼻咽口咽喉咽nasopharynxoropharynxlaryngopharynx鼻咽

nasopharynx咽鼓管圆枕tubaltorus咽鼓管咽口咽隐窝pharyngealrecess咽扁桃体咽鼓管扁桃体:

位于咽鼓管咽口附近粘膜内的淋巴组织

鼻甲后间隙口咽

oropharynx舌会厌正中襞会厌谷腭扁桃体喉咽laryngopharynx梨状隐窝PiriformrecessLarynx喉功能：呼吸、发音。上界：会厌上缘；下界：环状软骨下缘。3-6颈椎的前方以喉口通喉咽部，以环气管韧带接气管。喉软骨甲状软骨环状软骨会厌软骨杓状软骨甲状软骨前角喉结上切迹上角下角thyroidcartilage环状软骨喉软骨中唯一完整的软骨环前面后面侧面环状软骨弓C6环状软骨板甲关节面杓关节面甲关节面杓关节面cricoidcartilage会厌软骨会厌软骨甲状会厌韧带epiglotticcartilage杓状软骨杓状软骨尖杓状软骨底声带突肌突前面侧面arytenoidcartilage喉的连接喉肌声门上区→声门区→声门下区喉腔

laryngealcavity喉前庭→喉中间腔→声门下腔喉内间隙声门旁间隙会厌前间隙声韧带声带肌喉粘膜声带膜间部软骨间部声门裂声门：VocalcordFissueofglottisTransverseSectionofNeck

thetransversesectionthroughangleofmandiblethetransversesectionthroughepiglottisthetransversesectionthroughbodyofhyoidbonethetransversesectionthroughsup.partofthyroidcartilagethetransversesectionthroughmiddlepartofthyroidcartilagethetransversesectionthroughlaminaofcricoidcartilagethetransversesectiont