Diseases Of The Nose Throat And Ear

ANATOMY AND PHYSIOLOGY OF THE LARYNX

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Hyoid bone Epiglottic cartilage

Cartilage triticea

Thyrohyoid membrane

Superior horn of thyroid
cartilage

Superior thyroid notch

Laryngeal prominence
Cricothyroid ligament

Inferior horn of thyroid
cartilage

Cricoid cartilage

Fig. 58. Anterior aspect of cartilages and ligaments of larynx, (Reproduced from Cunningham's

'Textbook of Anatomy9.)

Fig. 59. Larynx, vertical median section, seen
from left side. 1, Epiglottis; 2, Adipose tissue;
3, Thyroid cartilage; 4, Ventricle; 5, Vocal cord
or fold; 6, Cricothyroid membrane; 7, 8,
Cricoid cartilage; 9, Respiratory glottis,
showing submucous position of arytenoid
cartilage; 10, Arytenoideus muscle; 11,
Vestibular fold or false vocal cord; 12,
Corniculate cartilage; 13, Cuneiform cartilage.

Fig. 60. The compartments of the larynx. 1, Epi-
glottis; 2, Hyoid bone; 3, Ventricle of larynx;
4, Thyroid cartilage; 5, Cricoid cartilage; 6,
Thyro-arytenoid muscle; 7, Vocal fold; 8,
Vestibular fold; 9, Ary-epiglottic fold.