. The elements of pathological histology with special reference to practical methods . sum of thk Liver. x 77. (Stained with hEeinatoxylinand eosin.) o, Cavernous spaces; b, Red corpuscles ; c, White corpuscles; d, Fibrin; e, Fibroussepta ; /, Liver tissue. {lymphangioma), the latter of which appears in hardened preparationsas a finely-granular mass containing a very scanty number ofleucocytes (Fig. 30, c). If the contents consist of chyle, as forexample in the angiomata which sometimes occur in the mesentery,we may speak of a cavernous chylangioma. The common situation for angiomata is the sk
. The elements of pathological histology with special reference to practical methods . sum of thk Liver. x 77. (Stained with hEeinatoxylinand eosin.) o, Cavernous spaces; b, Red corpuscles ; c, White corpuscles; d, Fibrin; e, Fibroussepta ; /, Liver tissue. {lymphangioma), the latter of which appears in hardened preparationsas a finely-granular mass containing a very scanty number ofleucocytes (Fig. 30, c). If the contents consist of chyle, as forexample in the angiomata which sometimes occur in the mesentery,we may speak of a cavernous chylangioma. The common situation for angiomata is the skin or subcutaneousconnective tissue, and they are very often congenital. Congenitalteleangiectasis of the skin is also called ncevus vasculosus. A cavernous lymphangioma (exceptionally also htematangioraa) ofthe tongue or lips respectively may be the cause of the congenitalconditions known as macroglossict and macrocheilia. Cavernous angiomata are also ol)served in the internal organs;indeed they are tolerably frequent in the liver in old persons. 86 TUMOURS OR NEW-FORMATIONS ^.;L^. Fig. 30.—Cavernous Lymphangioma in the Subcutaneous Connective Tissie of tiik 240. (Stained with alum cochineal.) a, Cavernous lymph-spaces; 6, Lymph corpuscles; c,Coagulated lymph; c/, Endothelial cells; e, Stroma with round and spindle cells; ./, Small-cellintiltration round the vessels. B. TUMOUES COMPOSED OF IMMATURE CONNECTIVE TISSUE-SARCOMATA. 11. Sarcomata are tumours which consist, wholly or in greater part,of undeveloped, immature forms of connective tissue, and have theiranalogue in embryonic or inflammatory germinal tissue (granulationtissue). They never occur except in a tissue of the connectivegroup, and they form by proliferation of its fixed cells. Although,speaking generally, they are always highly cellular tumours, stillthe number of the cells may vary as well as their form and size, andso, moreover, may the quantity and nature of the intercellular sub-stance also; and w
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectpatholo, bookyear1895
