. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine . Fir. 434.—Diagrammatic section of larynx to illustrate action of Arytenoids* jirc-privs musbb (after Landois). 596 COMPARATIVE Fig. 435.—Illustrates action of thyro-arytenoideus interims. vocal bands are attached posteriorly, that most of the importantchanges in the tension, approximation, etc., of the latter areproduced. The lungs are to he regarded as the bellows furnish-ing the necessary wind-power to set the vocal bands vibrating,while the larynx has respiratory as wel
. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine . Fir. 434.—Diagrammatic section of larynx to illustrate action of Arytenoids* jirc-privs musbb (after Landois). 596 COMPARATIVE Fig. 435.—Illustrates action of thyro-arytenoideus interims. vocal bands are attached posteriorly, that most of the importantchanges in the tension, approximation, etc., of the latter areproduced. The lungs are to he regarded as the bellows furnish-ing the necessary wind-power to set the vocal bands vibrating,while the larynx has respiratory as well as vocal functions, ashas been already learned. Assuming that the student has agood knowledge of the general anatomy of the larynx, we callattention briefly to the following : Widening of the glottis is effected by the crico-arytenoideusposticus pulling outward the processus vocalis or attachmentposteriorly of the vocal band, and a similar effect is producedby the arytenoideus posticus acting alone. Narrowing of the glottis is accomplished by the crico-aryt-enoideus lateralis, and the following when acting either singly(except the arytenoideus posticus), or in concert, as the sphinc-ter of the larynx, viz., the thyro-arytenoideus externu
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1890
