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Year : 2005
Tome : 156
Volume : 2
Pages : 99-103
Title : Alpha-naphthyl acetate esterase activity in the spleen, lymph nodes and conjunctiva associated lymphoid tissues of camels (Camelus dromedarius)
Authors : M. SANDIKCI, U. EREN and S. KUM
Summary : This study aims to determine the T lymphocytes localisation in the spleen, lymph nodes and the conjunctiva associated lymphoid tissue (CALT) of adult camels through alpha-naphthyl acetate esterase (ANAE) detection. Spleen, mesenteric lymph nodes and the eye lids were removed from 15 adult camels. ANAE positive T lymphocytes were observed in all compartments of lymphoid organs, but mainly in marginal zones of the spleen, in dense anodular lymphoid tissues of the lymph nodes and in diffuse lymphoid tissues of the CALT. Moreover, macrophages showing intense ANAE positivity were also localised in areas with high density of T lymphocytes and reticular cells surrounding penicillar arterioles in the spleen or lining sinuses of lymph nodes showed also a diffuse granular pattern of enzyme activity. The co-localisation of these different ANAE positive cellular types (reticular cells, macrophages and T cells) suggest that ANAE would participate to antigen presentation and to activation of T lymphocytes.
Keywords : alpha-naphthyl acetate esterase - T lymphocyte - spleen - lymph node - CALT - camel - immune response.
Correspondence : M. SANDIKCI
Adress : Department of Histology-Embryology, Adnan Menderes University, Faculty of Veterinary Medicine, Aydin, Turkey : e-mail: sandikcimustafa@yahoo.com
Link : pdf

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