Identifier: britishjournalof34brit (find matches)
Title: The British journal of dermatology
Year: 1888 (1880s)
Authors: British Association of Dermatology
Subjects: Dermatology Syphilis
Publisher: London H.K. Lewis (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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Fig. 1.—Trichomycosis flava.
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Fig. 2.—Trichomycosis nigra. it grows and pushes its way under a cuticular scale and then worksits way into the cortex, raising, in so doing, its superficial fibres, which,together with the cuticuhir scale, form a covering or protection for thefungus, which probably finds its nutriment in the cortex. The fungusdoes not penetrate very deep into the cortex, but grows outwards,forming the characteristic nodules. This method of growth explainswhy the hair is so little affected; the deeper layers of the cortex, themedulla, and the root of the hair are not involved, though the hair attimes loses its lustre. In an early stage of the infection the cuticle andsome fibres of the cortex may be seen to be raised in ridges, which \ 262 OBSERVATIONS ON TRICHOMYCOSIS AXILLARIS. run in wavy lines across the shaft of the hair transversely to its longaxis ; masses of the fungus may be seen growing under these ridges.A nodule consists of a mass of the rod-like hyphge of the Nocardiaembedded in a firm

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