Elements of pathological anatomy . ion, hypertrophy, cysts, and cancer. Glossitis may exist as an idiopathic affection, but is most generally inducedby salivation, by mechanical injury, or corrosive substances. The organ isextremely painful, and may swell so enormously as to threaten the patient withsuffocation : all its vessels are engorged with blood ; thepapilla? are greatly enlarged, and its surface, atfirstofa \ bright red, is soon coated with viscid mucus, or, when theinllammationrunshigh,evenwitha layer of lymph. (, a.) Now and then the disease is limited to one halfof the tongue
Elements of pathological anatomy . ion, hypertrophy, cysts, and cancer. Glossitis may exist as an idiopathic affection, but is most generally inducedby salivation, by mechanical injury, or corrosive substances. The organ isextremely painful, and may swell so enormously as to threaten the patient withsuffocation : all its vessels are engorged with blood ; thepapilla? are greatly enlarged, and its surface, atfirstofa \ bright red, is soon coated with viscid mucus, or, when theinllammationrunshigh,evenwitha layer of lymph. (, a.) Now and then the disease is limited to one halfof the tongue, the raphe forming a pretty distinct line ofdemarcation between it and the unaffected side. Glossitismay terminate in resolution, in suppuration, or in gan-grene. The disposition to disappear is sometimesmanifested as early as the third day, but mostly notuntil about the sixth. When matter forms it is gene-rally deep-seated, and requires free incisions for itsevacuation. The termination of glossitis in gangrene is extremely rare,. 516 MOUTH. and is noticed chiefly in persons of a debauched habit and worn-out consti-tution. The mucous membrane of the tongue and cheek is liable to several forms ofulceration. In psoriasis there are whitish excoriated patches, not unfirequentljhalf an inch in diameter; and in children nothing is more common than tosee these parts studded with small milky-looking vesicles. These blebs,which are technically called aphtha, are of an irregularly spherical figure, andvary in size from a pins head to a small pea. When punctured, their con-tents are found to consist of two parts, one of a fibrous, the other of a serousnature. Aphthae are frequently connected with gastroenteric irritation; andthere is reason to believe that they often extend through the oesophagus, asfar as the cardiac extremity of the stomach. In several instances, however, inwhich I made a careful inspection with a view of ascertaining this point, I railedin tracing the vesicles beyond
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