File:Hand-book of physiology (1892) (14578647330).jpg

Identifier: handbookofphysio00bake (find matches)
Title: Hand-book of physiology
Year: 1892 (1890s)
Authors: Baker, W. Morrant, (William Morrant), 1839-1896 Harris, Vincent Dormer Kirkes, William Senhouse, 1823-1864. Hand-book of physiology. 13th ed
Subjects: Physiology Human physiology
Publisher: London : John Murray
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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eft a chink, narrow whilst a high noteis being sung, wide during a deep inspiration. On each side of the truevocal cords, and on a higher level, are the pink false vocal cords. Still moreexternally than the false vocal cords is the aryteno-epiglottidean fold, inwhich are situated upon each side three small elevations ; of these the mostexternal is the cartilage of Wrisberg, the intermediate is the cartilage ofSantorini, whilst the summit of the arytenoid cartilage is in front, andsomewhat below the preceding, being only seen during deep inspiration.The rings of the trachea, and even the bifurcation of the trachea itself, if thepatient be directed to draw a deep breath, may be seen in the intervalbetween the true vocal cords. 562 PKODUCTION OF THE VOICE. (CH. XV. Movements of the Vocal Cords. In Respiration.—The position of the vocal cords in ordinarytranquil breathing is so adapted by the muscles, that the openingof the glottis is wide and triangular (fig. 347, b), becoming a little
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Fig. 347.—Three laryngoscopic views of the superior aperture of the larynx and surroundingparts. A, the glottis during the emission of a high note in singing; B, in easy andquiet inhalation of air; C, in the state of widest possible dilatation, as in inhaling avery deep breath. The diagrams A, B, and C, show in horizontal sections of theglottis the position of the vocal ligaments and arytenoid cartilages in the three severalstates represented in the other figures. In all the figures, so far as marked, the lettersindicate the parts as follows, viz. : I, the base of the tongue ; e, the upper free part ofthe epiglottis; e, the tubercle or cushion of the epiglottis; p h, part of the anteriorwall of the pharynx behind the larynx; in the margin of the aryteno-epiglottideanfold w, the swelling of the membrane caused by the cartilages of Wrisberg; s, that ofthe cartilages of Santorini: a, the tip or summit of the arytenoid cartilages ; c v, thetrue vocal cords or lips of the rima glottidis;

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