Transverse section of the right vocal cord. x 35 diameters.

a b. Ascending fibers of the thyro arytenoid ligament. d. Antero posterior elements of the vocal bands. e. Papilla at the free border of the bands a'.b. Submucous glands.

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TSINCLAIR & SON, LITH PHILA

d

e

Transverse serial section of the left human vocal band. x 40 diameters. a. Cricoid cartilage. b.Thyro arytenoid ligament. c. Inner portion formed by the submucous fibrous tissue.c.Outer wall formed by fibers springing from the cricoid cartilage.d Antero posterior fibers of the vocal band intermingled with ascending fibers.e.Papilla at the free border of the band. ff Crico arytenoid laterals and thyro arytenoid muscles. g.Ventricle.h.Ventricular band.

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Transverse section of the right lateral wall of the human larynx

halfway between the thyroid and arytenoid insertions of the bands. x 40 diameters.

a. Cricoid cartilage.b.Thyroid cartilage c.Lateral crico arytenoid muscle d. Thyro arytenoid muscle.

Fils vascular septum separating the two muscles. f. Base of the thyro arytenoid ligament.g. Ascending fibres of cricoid origin of the same ligament .h. Antero-posterior fibers of the vocal band.doubled

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