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  • Title: Pathology of concanavalin A-induced cutaneous reaction in the chicken.
    Author: Sinha BK, Vegad JL, Awadhiya RP.
    Journal: Res Vet Sci; 1987 May; 42(3):365-72. PubMed ID: 3616150.
    Abstract:
    Sequential study of permeability and cellular responses following intradermal concanavalin A in the chicken skin, using the colloidal carbon technique, revealed an increase in vascular permeability which was mostly confined to venules. A noteworthy feature of the reaction was marked accumulation of basophils, even in the later stages, and the early appearance of perivascular lymphoid aggregations. The occurrence of well formed giant cells, hypertrophy and hyperplasia of vascular endothelium and marked acanthosis of the epidermis were the other prominent changes. The findings suggest that Con A, in the chicken, appears to have a more general effect on the different types of cells and that it may act as a mitogen not only for T lymphocytes but also for endothelial and epithelial cells.
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