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. The principles and practice of veterinary surgery . traceable to vegetable parasites,are now pretty well understood; they are the tinea tonsurans,also called tinea tondens or ring-worm, and favus, honeycombring-worm, or scald-bead. FAVUS, OK HONEYCOMB KING-WORM. This is a disease little known in this country, and is describedas a fungus parasitic disease, composed of cup-shaped scabs,sometimes distinct and separate, at other times indistinct orconfluent. These fungi are capable of being implanted from oneanimal to another, from man to animals, and animals to man ;and Gruby tried the effects
. The principles and practice of veterinary surgery . traceable to vegetable parasites,are now pretty well understood; they are the tinea tonsurans,also called tinea tondens or ring-worm, and favus, honeycombring-worm, or scald-bead. FAVUS, OK HONEYCOMB KING-WORM. This is a disease little known in this country, and is describedas a fungus parasitic disease, composed of cup-shaped scabs,sometimes distinct and separate, at other times indistinct orconfluent. These fungi are capable of being implanted from oneanimal to another, from man to animals, and animals to man ;and Gruby tried the effects of the inoculation of the parasite onvegetables, and succeeded, by-inoculating the bark of an oak-tree, in getting a favus-cup identical with that which grows onthe heads of children. 736 DISEASES OF THE SKIN, Pathology.—The disease depends upon a cryptogamic fungus,named the aehorion Schonleinii, after Sehonlein, who was thefirst to suggest that the yellow crusts were constituted by avegetable parasite. The primary seat of the parasite is in the. Fig. 140. Fig. 141. Fig. 140.—Branches of aehorion Schonleinii in an early stage of devel-opment, growing from molecular matter, and mingled with epidermicscales, from a very minute favus crust. Fig. 141.—Fragments of the branches more highly developed, withnumerous sporules and molecular matter, from the centre of an advancedfavus crust.—(Bennett.) 300 diam. depth of the hair follicle outside the layer of the epithelium,which covers the root of the hair, and which forms the innerroot sheath of Kolliker.—(Aitken.) By making their sections of the favus crusts, and treating
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectveterin, bookyear1904