THE HEAD A.\D M:CK. 



107 



3. The cricoid cartilage and crico-tliyroid membrane. (Fig. 67.) 



4. The arytenoid cartilages .surmounting the cricoid cartilages. 



The epiglottis in the retiring angle of the thyroid cartilage. ( Fig. 69.) 



6. The mucous membrane of the larynx. 



7. Ihe superior laryngeal nerve of the vagus nerve. (Figs. 63 and 71.) 



8. The inferior laryngeal nerve (the recurrent branch figure 71) of the 





GREATER CORNU OF HYOIO 



BONE 

 BODV OF HYOID BONE 



Thyro-hyoid ligament 

 EPIGLOTTIS 



Median notch 



Origin of thyro-epiglottio 



ligament 

 POSTERIOR EDGE OF THYROID 



CARTILAGE 



Origin of thyro-aryte- 

 noideua muacle 



INFERIOR CORNU 



SMALLER CORNU OF uroiO 

 BONE 



CARTILAGO TRITICEA 



SUPERIOR CORNU OF THYROID 

 CARTILAGE 



RIGHT ALA OF THYROID 

 CARTILAGE 



False vocal cord 

 True vocal cord 



Origin of thyro-epiglot- 

 tideua muacle 



KlC. 69. POSTKKIOK VlF.XV <>F TliYROID CARTII.ACF. WITH Kl'I.II.OTTIS. 



9. The superior laryngeal artery, a branch of the superior thyroid artery 

 (Fig. 28.) 



10. The sympathetic nerve with the laryngeal arteries. 



1 1. The inferior laryngeal artery, a branch of the inferior thyroid. (Fig. 28.) 



1 2. The vocal cords true and false. 



13. The ventricle, the space between true and false cords. 



Thyro-arytenoideus muacle 



Attachment of orioo-thyroid musole 



ANTERIOR SURFACE OF ARYTENOIO CARTILAGE 



Cut edge of capsular ligament 

 Lateral orico-arytenoid muscle 



MUSCULAR EXTERNAL ANGLE OF ARYTENOIO 

 CARTILAGE 



Lateral orioo-arytenoid muacle 



CRICOID CARTILAGE 



Kl<:. 70. KKOM VlF.W OF TIIF. CRICOID AND ARYTENOID CARTII.ACKS. 



and Jacob.) 



(Modified from Houryery 



14. The intrinsic muscles of the larynx. 



15. The relation of the epiglottis to the tongue. 



The thyroid cartilage (Fig. 67) has two alae united in the mid-thyroid line. 

 1 In nsult of this union gives us the pomum Adami in front, and the retiring or 

 receding angle of the thyroid cartilage behind. (Fig. 69.) The former is a 

 guide in surgical operations on the larynx and trachea; the latter is of great im- 

 portance in learning the anatomy and physiology of the vocal cords. Along the 



