Anatomy of larynx传承百年仁爱精通济世医术Cavity of the larynxvestibular and vocaldivide the cavity intoSuoraglottisvestibulethree parts,vestibularventriclenamelythe vestibulevocalsubglotticthe ventricle andthe subglottic space
vestibular and vocal, divide the cavity into three parts, Cavity of the larynx subglottic vestibule ventricle vestibular vocal Anatomy of larynx namely the vestibule, the ventricle and the subglottic space
Anatomy of larynx传承百年仁爱精通济世医术Cavity of the larynxInlet of larynxInlet of larynxVestibuleVentriclecular BandSupray(sinus of larynx)vestibuleSubglotticspace西vestibularentricle(infraglotticlarynx)ventriclecal CordVestibularfoldsGlotticvocal(falsevocal cords)subglotticSubgkid CartilageVocal cordsGlottis(true vocal cords)Glottis(rima glottidis)
Inlet of larynx vestibule ventricle subglottic Glottis vestibular vocal Inlet of larynx Cavity of the larynx Anatomy of larynx Vestibule Ventricle (sinus of larynx) Subglottic space (infraglottic larynx) Vestibular folds (false vocal cords) Vocal cords (true vocal cords) Glottis(rima glottidis)
Anatomyoflarynx传承百年仁爱精通济世医术Lymphaticdrainage1.Supraglotticlarynxabove the vocal cords isdrained by lymphatics which pierce the thyrohyoidmembrance and go to upper deep cervical nodes.2.Infraglottic larynx blow the vocal cords is drained bylymphatics which pierce the cricothyroid membrance andgo to prelaryngeal and pretracheal nodes and thence tolowerdeep cervicalandmediastinal nodes.3.There are practically no lymphatics in vocal cordshence carcinoma of this site rarely shows lymphaticmetastases
Lymphatic drainage Anatomy of larynx 2.Infraglottic larynx blow the vocal cords is drained by lymphatics which pierce the cricothyroid membrance and go to prelaryngeal and pretracheal nodes and thence to lower deep cervical and mediastinal nodes. 3.There are practically no lymphatics in vocal cords, hence carcinoma of this site rarely shows lymphatic metastases. 1.Supraglottic larynx above the vocal cords is drained by lymphatics which pierce the thyrohyoid membrance and go to upper deep cervical nodes
Anatomyoflarynx传承百年仁爱精通济世医术Nerve supply of larynxMotor.All the muscles which move the vocal cordare supplied by the recurrent laryngeal nerve exceptthecricothyroid muscle.Sensory.Above the vocal cords, larynx is supplied byinternal laryngeal nerve(superior laryngeal nerve),andbelowthe vocal cordsby recurrent laryngeal nerve
Nerve supply of larynx Anatomy of larynx Sensory. Above the vocal cords, larynx is supplied by internal laryngeal nerve(superior laryngeal nerve), and below the vocal cords by recurrent laryngeal nerve. Motor. All the muscles which move the vocal cord are supplied by the recurrent laryngeal nerve except the cricothyroid muscle
Anatomy of larynx传承百年仁爱精通济世医术Nerve supply of larynxInferiorgofvagusVagusneSuperiorSuperior laryngeal nerverierveInternalbExtemalbrrentInferiorthyerveLeft recurreRecurrent laryngeal nervelaryngealrteryArchofaon
Nerve supply of larynx Recurrent laryngeal nerve Anatomy of larynx Superior laryngeal nerve