. Elementary physiology . Fig. 113.—Section through the middle of a taste bud. CRanvier.) /, gustatory pore ; 5, gustatory cell ; r, sustentacular cell; m, lymph cell, containing fatty granules ; e, superficial ceils of the stratified epithelium ; «, nerve fibres. no taste sensations whatever can be appreciated on the tip of the tongue; while other individuals can only taste sweet sub- stances in this region. The distribution of the different kinds of taste sensation is not uniform, and varies in different indi- viduals. Most usually, sweet substances are tasted at the tip, and bitter substanc


. Elementary physiology . Fig. 113.—Section through the middle of a taste bud. CRanvier.) /, gustatory pore ; 5, gustatory cell ; r, sustentacular cell; m, lymph cell, containing fatty granules ; e, superficial ceils of the stratified epithelium ; «, nerve fibres. no taste sensations whatever can be appreciated on the tip of the tongue; while other individuals can only taste sweet sub- stances in this region. The distribution of the different kinds of taste sensation is not uniform, and varies in different indi- viduals. Most usually, sweet substances are tasted at the tip, and bitter substances at the back of the tongue; but some persons have both sweet and bitter tastes at the tip as well as at the base. It is usual to state that there are four primitive types of taste sensation, viz. sweet, bitter, salt, and sour, but it is doubtful whether all possible ^ It is probable that all gustatory fibres arise from the root of the fifth nerve, and join the glosso-pharyngeal and chorda tympani afterwards.


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Keywords: ., bookcentury1800, bookdecade1890, bookpubli, booksubjectphysiology