Medical diagnosis : a manual of clinical methods / by J. Graham Brown.

Date:
1883
Catalogue details

Licence: Public Domain Mark

Credit: Medical diagnosis : a manual of clinical methods / by J. Graham Brown. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

    190/396 (page 170)
    It is to be borne in mind that the parts reflected in the right and left sides of the mirror (in relation to the observer) corre- spond to the patient's left and right, and that the more anterior structures are seen in the upper part of the mirror, the more posterior in the lower. The position of the various structures seen in the laryngeal image is shown in figs. 20 and 21. Having carefully examined the various portions of the larynx which may be brought into view by changing the position of the mirror, it is perhaps best to systematise the information Pig. 21.—Diagram of Laryngoscopic Image in the Act of Vocalisation (MoreU Mackenzie). (fi.) Fossa innominata. (sp.) Sinus pyriformis. (ch.) Corner of hyoid bone. (ciP.) Cartilage of Wrisberg. (cS.) Capitulum Santorini. (a) Arytenoid cartilages. {com.) Arytenoid commissure. {pv.) Processus vocalis. gained by grouping the facts under some such heads as the following:— (1.) Changes in Colour.—In the normal larynx the mucous membrane generally has a clear red appearance, while the epiglottis is slightly yellow, and the true vocal cords stand out distinctly, having a clear pearly-white colour. In anaemic conditions, the interior of the larynx generally becomes paler in colour; whereas in acute catarrhal conditions the parts assume an intense red, especially the epiglottis, and even the true cords lose their whiteness and become swollen, red, and injected. In more chronic catarrh the tint assumed is not so