. The elements of pathological histology with special reference to practical methods . ystals melt from the edge inwards, and gradually change intobrownish-red drops ; if, however, Lugols solution has previously been applied, thecrystals, at first brown, become bluish-red, bluish-green, and finally pure blue. 2. Mucous, Colloid, and Hyaline Degenerations.—(1) Mucous degenera-tion occurs normally in the epithelium of the mucous membranes and ^ If the preparations a^re to be kept for years in Mlillers fluid, it is well to dilutethe latter to one half with water. ^ It is possible to use this even
. The elements of pathological histology with special reference to practical methods . ystals melt from the edge inwards, and gradually change intobrownish-red drops ; if, however, Lugols solution has previously been applied, thecrystals, at first brown, become bluish-red, bluish-green, and finally pure blue. 2. Mucous, Colloid, and Hyaline Degenerations.—(1) Mucous degenera-tion occurs normally in the epithelium of the mucous membranes and ^ If the preparations a^re to be kept for years in Mlillers fluid, it is well to dilutethe latter to one half with water. ^ It is possible to use this even with sections of preparations hardened in alcohol,provided the fat is not entirely dissolved. 54 RETROGRADE CHANGES IN TISSUE mucous glands, as well as in the intervertebral cartilages, and underpathological conditions it also affects either the epithelial cells or con-nective tissue. In epithelial elements (whether of mucous membranes,cysts, or carcinomata) it manifests itself by the presence of transparentdrops in the body of the cell (Fig. 14, c), or by metamorphosis of the 1. Fig. 14.—Mucous Dkgeneration of the Ciliated Epithelial Cells of a CystomaPapilliferum of the ovary, x 545. a, 6, c, Goblet cells. Torn-iip prepai-ation fromtUe fresh tumour. In a the protoplasm is evenly homogeneous, in h there are in additionfat drops in the vicinity of the nucleus, and in c two smaller fat drops arc seen in the celland a larjj^er one passing out of it. d, Section throus^h the epithelium of the tumour,after hardening in Miillers fluid and alcohol. The nuclei of the epithelium can be seenin the centre, the parts which have undergone mucous degeneration at the periphery. latter into a mass of glass-like clearness, dotted with a scanty numberof granules (Fig. 14, a and h). The cells of cylinder epithelium maytake the form of goblet-cells in this process (Fig. 14, a and h). In the connective tissues (connective tissue proper, cartilage,adipose tissue, bone-marrow, and sarcomatous ti
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectpatholo, bookyear1895
