. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. 334 COMPARATIVE PHYSIOLOGY. sel is small or liquid is swallowed, it is rapidly propelled on- ward by the tongue, the oesophagus and pharynx being largely passive at the time, though contracting sjowly afterward; at. \ Pis. 274.—Cavities of mouth and pharynx, etc., in man (after Sappey). Section, in median line, of face and superior portion of necls, designed to show the mouth in its relations to the nasal fossge, pharynx, and larynx: 1, sphenoidal sinuses; 2, in
. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. 334 COMPARATIVE PHYSIOLOGY. sel is small or liquid is swallowed, it is rapidly propelled on- ward by the tongue, the oesophagus and pharynx being largely passive at the time, though contracting sjowly afterward; at. \ Pis. 274.—Cavities of mouth and pharynx, etc., in man (after Sappey). Section, in median line, of face and superior portion of necls, designed to show the mouth in its relations to the nasal fossge, pharynx, and larynx: 1, sphenoidal sinuses; 2, in- ternal orifice of Eustachian tube; 3, palatine arch; 4, velum pendulum palati; 5, anterior pillar of soft palate; 6, posterior pillar of soft palate; 7, tonsil; 8, lingual portion of cavity of pharynx; 9, epiglottis; 10, section of hyoid bone; 11, laryn- geal portion of cavity of pharynx; 13, cavity of larynx. the same time the larynx as a whole is raised, the epiglottis pressed down, chiefly by the meeting of the tongue and itself, while its cushion lies over the rima glottidis, which is closed or all but closed by the action of the sphincter muscles of the larynx, so that the food passes over and by this avenue of life, not only closed but covered by the glottic lid. The latter is not so essential as might be supposed, for persons in whom it. 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 Mills, Wesley, 1847-1915. New York, Appleton
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