. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. Fig. 250.—The Human Glottis in a Gentle Inspiration, after Mandl. {Seaunis.) l, tongue; e, epiglottis ; pe, pharyngo-epiglottic fold; ae, aryteno-epiglottic fold; ph, posterior wall of the pharynx; c, cartilage of Wnsberg; th, superior thyro- arytenoid fold ; U, inferior fold; o, Fig. 251.—The Human Glottis in a Forced Inspiration, after Mandl. (Beaunis.) b, tip of the epiglottis; g, pharyngo-laryngeal pouch; I, tongue; rap. aryteno-epiglottic fold; ar, arytenoid cartilage; c, cuneiform cartilage
. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. Fig. 250.—The Human Glottis in a Gentle Inspiration, after Mandl. {Seaunis.) l, tongue; e, epiglottis ; pe, pharyngo-epiglottic fold; ae, aryteno-epiglottic fold; ph, posterior wall of the pharynx; c, cartilage of Wnsberg; th, superior thyro- arytenoid fold ; U, inferior fold; o, Fig. 251.—The Human Glottis in a Forced Inspiration, after Mandl. (Beaunis.) b, tip of the epiglottis; g, pharyngo-laryngeal pouch; I, tongue; rap. aryteno-epiglottic fold; ar, arytenoid cartilage; c, cuneiform cartilage; ir, interarytenoid fold ; rs, false vocal cords ; n, true vocal cords. nasal passages becomes warmed up to the temperature of the body. At each inspiration the external nares expand by the contraction of their dilator muscles; this movement is especially marked in labored breathing. The horse is incapable of breathing through the mouth, and if the dila- tors of the nostrils be paralyzed, as by section of the facial nerve, asphyxia may be produced. In expiration, the elasticity of the carti- lages of the nostrils is sufficient to cause these parts to return to their usual position. The current of air entering through the nose passes over the passive soft palate to enter the larynx, after passing through the pharynx. At each inspiration the vocal cords are separated and the glottis is thus widely opened (Figs. 250 and 251). At each expiration tlie arytenoid cartilages approach each other, so approximating the vocal cords, and the glottis is thus narrowed. 3. The Rhythm oe Respiration.—The movements of the column of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smith, Robert Meade, 1854-. Chicago, A. Eger
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