. Pathology and bacteriology [electronic resource]. Ophthalmology; Eye; Eye; Bacteriology; Ophthalmology; Eye; Bacteriology; Eye. PAPILLOMA In an epithelioma, besides the cells of epiblastic origin, polymorphonuclear, mononuclear leucocytes, and endothe- lial cells are met with. The leucocytosis is doubtless excited by pyogenic organisms from the surface, and is most marked when ulceration has taken place. The pro- liferating endothelial cells around the growth resemble closely the cells of the growth itself, for which they are liable to be mistaken. When organisation takes place, bands of fib
. Pathology and bacteriology [electronic resource]. Ophthalmology; Eye; Eye; Bacteriology; Ophthalmology; Eye; Bacteriology; Eye. PAPILLOMA In an epithelioma, besides the cells of epiblastic origin, polymorphonuclear, mononuclear leucocytes, and endothe- lial cells are met with. The leucocytosis is doubtless excited by pyogenic organisms from the surface, and is most marked when ulceration has taken place. The pro- liferating endothelial cells around the growth resemble closely the cells of the growth itself, for which they are liable to be mistaken. When organisation takes place, bands of fibrous tissue with blood-vessels become formed, between the groups of epithelial cells. Papilloma.—Papillomata arise either from the skin of the lids or conjunctiva. Those starting in the skin form small, hard, nodulated, sessile protuberances which are. Fig. 83.—Section through a hard papilloma from the margin of an eyelid. termed warts. They often occur at the margins of the lids and may be multiple. Those starting in the conjunctiva are soft, red or pink, pedunculated growths with numerous delicate finger-like processes; springing most frequently from the fornix or plica semilunaris. Though the preponderating tissue in these growths is the epithelium there is also hyperplasia of the sub-epithelial fibrous and vascular tissue; , a new growth of tissue of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Collins, E. Treacher (Edward Treacher), 1862-1937; Mayou, M. Stephen (Marmaduke Stephen), 1876-1934; Pyle, Walter L. (Walter Lytle), 1871-1921, editor; University College, London. Library Services. London : William Heinemann
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