. A treatise on anatomy, physiology and hygiene : designed for colleges, academies and families. tongue is an auxiliary toother organs. 867. This organ is abundantly supplied with blood-vessels,having a large artery sent to each side of it. It is also verylargely furnished with nerves; it receives nervous filamentsfrom the fifth, ninth, and twelfth pairs of nerves. The branchof the fifth, called the gustatory, is the netve of taste and 865. What is the chief organ of taste ? What other parts participatein the function ? 866—870. Give the anatomy of the oryajis of Give th6 struc*.ure
. A treatise on anatomy, physiology and hygiene : designed for colleges, academies and families. tongue is an auxiliary toother organs. 867. This organ is abundantly supplied with blood-vessels,having a large artery sent to each side of it. It is also verylargely furnished with nerves; it receives nervous filamentsfrom the fifth, ninth, and twelfth pairs of nerves. The branchof the fifth, called the gustatory, is the netve of taste and 865. What is the chief organ of taste ? What other parts participatein the function ? 866—870. Give the anatomy of the oryajis of Give th6 struc*.ure of the tongue. 867. Is this organ abundantlysupplied with blood ? From what source does the tongue derive itsnerves ? ANATOMY OF THE ORGANS OF TASTE. 385 sensibility;* the tv/elfth, called the hypo-glossal, of voluntarymotion. By means of the ninth, called the glosso-pharyngeal,the tongue is brought into association with Hie fauces, ossoph-agus, and larynx. It is of obvious hnportancc that theseparts should act in concert; and this is effected by the distri-bution of this nerve. Fk. W0 iilt^ Fig. 134. A view of one side of the neck, showing the nerves of the , A fragment of the temporal bone. 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 3Iuscles of theiongue, fauces, and neck. 5, The loni^ue. 13, The common carotid artery. 14, Thejugular vein. 15, The external carotid. 16, The internal carotid, 17, The gustatorybranch of the fiftli pair of nerves. 20, The glosso-pharyngeal nerve. 21, Tlie hypo-glossal, or the muscular nerve of the tongue. 24, The pneumogastric nerve. 25, Thefacial nerve. The surface of the tongue is thickly studded with * Some physiologists impute the sense of taste to the ninth, pairof nerves; others, to the twelfth pair; while others, again, contendthat taste is the result of a conctuTent action of the fifth, nmth, andtwelfth pairs of nerves. 868. What is the appearance of the surface of the tongue ? Explainfig. 134 386 ANATOMY, PHYSIOLOGY, AND HYGIE
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