LOGO喉解剖LOGO喉larynx在颈前正中,舌骨下。第3颈椎至第6颈椎下缘。上通喉咽,下接气管。下气道门户。喉larynx喉部矢状剖面观喉的位置LOGO会厌软骨甲状软骨环状软骨杓状软骨软骨支架成对软骨单个软骨会厌软骨epiglottic cartilage甲状软骨thyroid cartilage环状软骨cricoid cartilage杓状软骨Arytenoid cartilage小角软骨corniculate cartilage楔状软骨cuneiform cartilage:舌面组织疏松?标本会厌软骨后面观示意图?侧面观?急性会厌炎?LOGO?成人型会厌婴儿型会厌卷叶状?会厌形态纤维镜下会厌上面观LOGO甲状软骨thyroid cartilage:最大。喉结,切迹。?后面观?前面观喉结两甲状软骨板连接处男女有别。男性为锐角,上端前突成喉结。女性为钝角,喉角不明显。LOGO环状软骨cricoid cartilage :杓状软骨Arytenoid cartilage唯一完整软骨环后面观?喉狭窄laryngostenosis环状软骨、杓状软骨声带突小角软骨内面观前面观?前面观?LOGO喉韧带与膜连接喉的软骨和周围组织喉外韧带-环甲膜cricothyroid -甲状舌骨膜thyrohyoid membrane.?会厌前隙矢状剖面图喉前面观?甲状舌骨膜(环甲膜)会厌前隙preepiglottic spaceLOGO喉肌喉外肌侧面观①喉外肌extrinsic muscle of larynx:升降和固定喉体。LOGO开关声门,张弛声带,活动会厌。喉内肌侧面观②喉内肌internus muscle of larynx
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