Clinical diagnosis : the bacteriological, chemical, and microscopical evidence of disease . iodine solution suffice to develop the bluish-redcolour in a specimen containing leptothrix. This colour disappears in fromtwenty-four to seventy-two hours. Dr. 0. Chiari has called the attention of the author to the fact that yellowishplugs which do not contain leptothrix are often to be found in the crypts. Ina very hard concretion from the tonsils, found on chemical examination toconsist of carbonates and silicates, the author met with splendid specimens of3eptothrix. CHAPTER III THE NASAL SECRETION
Clinical diagnosis : the bacteriological, chemical, and microscopical evidence of disease . iodine solution suffice to develop the bluish-redcolour in a specimen containing leptothrix. This colour disappears in fromtwenty-four to seventy-two hours. Dr. 0. Chiari has called the attention of the author to the fact that yellowishplugs which do not contain leptothrix are often to be found in the crypts. Ina very hard concretion from the tonsils, found on chemical examination toconsist of carbonates and silicates, the author met with splendid specimens of3eptothrix. CHAPTER III THE NASAL SECRETION I. NAKED-EYE AND MICROSCOPICAL CHARACTERS-CHEMICAL CONSTITUTION.—Considering the great quantity ofglandular tissue with which the nasal passages is furnished, the secretionin health is remarkably scanty. Normal nasal mucus exhibits microscopically squamous and ciliatedepithelium in abundance, isolated leucocytes, and an enormous profusionof fungi. E. Weibelx has described a curved bacillus obtained from the nasalsecretion of healthy persons, which, when cultivated in nutrient gelatine. w:%W-MMd^k Fig. 52.—Nasal Mucus (eye-piece III., objective 8A, Reiehert).a. Ciliated epithelium ; b. Leucocytes; c. Encysted cocci; d. Bacilli; e. Micrococci. and agar-agar, develops a spirillum-like body wound into several is probable that further researches will show the presence of manyother forms. A great variety has been enumerated by The normal nasal secretion is a thick fluid, faintly odorous, and of analkaline reaction. It abounds in mucin, but otherwise nothing definiteis known about its chemical constitution. II. THE SECRETION IN AFFECTIONS OF THE NASAL CAVI-TIES.—At the outset of an attack of acute nasal catarrh, the mucousmembrane is generally dry and much injected, and the secretion lessened I I 2 THE NASAL SECRETION in quantity. Later on, however, there is a copious discharge of a thinalkaline fluid, and this, when examined under the microscope, is seen toco
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Keywords: ., boo, bookcentury1800, bookdecade1890, booksubjectclinicalmedicine
