The essentials of healthA text-book of anatomy, physiology, hygiene, alcohol, and narcotics . cause it seriously dis-turbs the action of the stomach. Tobacco and Taste. Tobacco blunts the sense of is exactly what we should expect, for the papillae ofthe tongue become saturated with the tobacco flavor, andthe taste buds are impaired by their contact with thepoisonous properties of the nicotine. The taste of to-bacco is continuously in the mouth, and in order to THE SENSES OF TASTE .VXD SMELL. 311 taste other substances, they must be hithis leads to disorders of the stomachdescribed.
The essentials of healthA text-book of anatomy, physiology, hygiene, alcohol, and narcotics . cause it seriously dis-turbs the action of the stomach. Tobacco and Taste. Tobacco blunts the sense of is exactly what we should expect, for the papillae ofthe tongue become saturated with the tobacco flavor, andthe taste buds are impaired by their contact with thepoisonous properties of the nicotine. The taste of to-bacco is continuously in the mouth, and in order to THE SENSES OF TASTE .VXD SMELL. 311 taste other substances, they must be hithis leads to disorders of the stomachdescribed. The Nose. The sense of smell islocated in the nose. The two open-ings which lead into the nose arecalled the nostrils. They are surrounded by a number of fine hairs,which aid in keeping foreign bodiesfrom entering the nasal framework of the nose con-sists of bone and cartilage. A thinwall, called the septum, divides theinterior into two cavities; theseare irregular in shape and extendfrom the nostrils, in front, to theupper part of the pharynx, behind. rhiy as spiced ;already. Fig. 108. Transversesection of the frameworkof the nose : (1) the nasalcavities. On the outsideof each cavity are thecurved turbinated bones ;(2) the bones forming theroof of the mouth and thefloor of the nasal black represents thebone, the lighter shaderepresents the mucousmembrane covering thebone. The inside of each, orthe side toward themedian line, is smooth,because the septum it-self is smooth ; but theoutside is most irregu-lar, owing to the pres-Fig. 109. The outside of the left nasal ence of three curved cavity, showing the three turbinated bone. _ _ o^roll-like h 011 e S called the turbinated bones. These are w^ell shown, asviewed from the side, in Fig. 109. Lining each nasal
Size: 1454px × 1719px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectphysiology, bookyear1
