Physiology of the Larynx

Abstract

These are the phases of the subject touched: Methods of study; Evolution and comparative anatomy; Laryngeal mutations, including the effects of endo-crines and age; Hereditary characteristics; Physiology anatomy- Neurological physiology, including motor, sensory and central pathways and the effects of the sympathetic nervous system; The valvular nature of closure, in relation to swallowing, cough, hiccup, yawning, and the elevation of intra-abdominal pressure; Action of the vocal cords in the production of sound; Functions of the ventricle and sacculus laryngis and lubrication of the larynx; Respiratory function of the larynx; Laryngeal effect on circulation.