《呼吸系统李峰》ppt课件

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1、LarynxIsashortpassage-waythatconnectsthepharynxwiththetrachea.Structures:cartilagesjointsconnectivemembranesligamentsmuscles喉结甲状软骨环状软骨弓环状软骨板弹性圆锥杓状软骨声韧带环状软骨弓会厌软骨Cartilagesone:thyroid,cricoid,epiglottispair:arytenoidJointsa)Cricothyroidjointb)CricoarytenoidjointElasticmembraneandligamentsThyrohyo

2、idmembraneCricothyroidligamentConuselasticus杓斜肌杓横肌环杓后肌甲杓肌环杓侧肌环杓后肌环甲肌RimavestibuliandrimaglottidisDivisionofthelaryngealcavitylaryngealvestibuleIntermediatecavity(ventricleoflarynx)Infraglotticcavity前庭襞声襞喉前庭喉室声门下腔气管腔前庭裂喉中间腔声门裂PrinciplebronchiTherightprinciplebronchusismoreverticle,shorterandwide

3、rthantheleftprinciplebronchus气管软骨气管膜壁左主支气管右主支气管右主支气管主支气管肺叶支气管肺段支气管principlebronchilobarbronchibronchiolessegmentalbronchiterminalbronchiolesBronchialtree后面观侧面观