Manual of pathological anatomy . stimperceptible point to apins head, and even tothat of a bean; * andclosely resemble miliarygranulations, surroundedby a halo of blood -vessels,as they appear for in-stance in the pia microscope, however,reveals their structure;showing the basementmembrane of the folliclelined with epithelium,and containing oily mat-ter. The cheesy particlescoughed ujD by manypeople, are formed partlyin the follicular struc-tures of the tonsils; andprobably also in the follicles of which we have jusb spoken. Theepiglottis is liable to suffer from syphilitic ulceratio
Manual of pathological anatomy . stimperceptible point to apins head, and even tothat of a bean; * andclosely resemble miliarygranulations, surroundedby a halo of blood -vessels,as they appear for in-stance in the pia microscope, however,reveals their structure;showing the basementmembrane of the folliclelined with epithelium,and containing oily mat-ter. The cheesy particlescoughed ujD by manypeople, are formed partlyin the follicular struc-tures of the tonsils; andprobably also in the follicles of which we have jusb spoken. Theepiglottis is liable to suffer from syphilitic ulceration, by an exten-sion of the disease from the fauces : it very rarely passes beyondto the larynx and trachea. In small-pox and other eruptive fevers,the peculiar poison of the disease often sets up its action in thefauces and the respiratory passages; the former may give rise topustules on the glottis, accompanied by a more or less rednessand serous infiltration ; in the latter ulcerative destruction andoodematous swellins; Acute ulceration of the epiglottis and surround-ing parts in a man, caused by taking a large doseof bichloiide of mercury. Death followed afternine days; there were pneumonia, ulceration ofthe stomach, and inflammation of the entire in-testinal tract. THE LARYNX. The mucous membrane of the larynx presents the same changesthat we meet with in the mucous membrane investing the entirerespiratory tract. In health it has an almost colourless, slightly * See a case detailed in Dr. Brights Reports, vol. ii. p. C44. THE LARYNX. -435 pink hue, and consists of a uniform epithelial surface, overlying abasement membrane, underneath which the vascular network rami-fies. The surface is broken only by the minute follicles which openupon it. In congestive and inflammatory states this vascular networkbecomes much distended; the membrane is rendered thick and softby mere repletion in the first instance, and subsequently by inter-stitial effusion. The more lasting and ch
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