Anatomy, physiology and hygiene for high schools . 16J PHYSIOLOGY AND HYGIENE noid (Grreek arutaina, a pitclier). Attached to the top ofthe thjToid is the epiglottis, which closes the entrance be-tween the larynx and pharynx. These and several smallercartilages, joined together by connective tissue and muscles,make up the larynx. The inside of the chamber is lined with a mucous mem-brane continuous with that of the pharynx above. Runningacross the tube from the arytenoids at the back to the thy-roid at the front are two bands ofelastic tissue covered by the epi-thelium of the larynx.
Anatomy, physiology and hygiene for high schools . 16J PHYSIOLOGY AND HYGIENE noid (Grreek arutaina, a pitclier). Attached to the top ofthe thjToid is the epiglottis, which closes the entrance be-tween the larynx and pharynx. These and several smallercartilages, joined together by connective tissue and muscles,make up the larynx. The inside of the chamber is lined with a mucous mem-brane continuous with that of the pharynx above. Runningacross the tube from the arytenoids at the back to the thy-roid at the front are two bands ofelastic tissue covered by the epi-thelium of the larynx. These arethe rocal (Latin vox, voice ) the V-shaped interval be-tween these cords, narrow in front,broad behind, the air passes. ^, , , When the cords are relaxed, the Vocal cords. air passes by freely and does not cause them to vibrate; but if the posterior ends are drawn together, the interval between the cords is reduced to a narrow slit, and the air passing through sets up vibrations in them, producing sound. This is what occurs in voice
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