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PANCREAS OF ASELLI IN SOME SPECIES OF THE SHREWS ( SOREX ARANEUS & NEOMYS FODIENS ) AS AN ANALOGUE OF THE BURSA OF FABRICIUS IN BIRDS
Author(s) -
TSIPERSON VLADISLAV P.
Publication year - 1997
Publication title -
cell biology international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.932
H-Index - 77
eISSN - 1095-8355
pISSN - 1065-6995
DOI - 10.1006/cbir.1997.0135
Subject(s) - bursa of fabricius , sorex , araneus , biology , insectivora , bone marrow , anatomy , lymphatic system , zoology , spleen , immunology
No organ equivalent to the bursa of Fabricius in birds, which is responsible for the production of B cells, has been found in mammals thus far. It has been suggested that Peyer's patches and the appendix along with the bone marrow play this role. In this study, the gland of Aselli of shrews was examined, whose function has not yet been clarified. The results of the study of the gland of Aselli in common and water shrews suggest this gland to be the key lymphoid organ analogous to the bursa of Fabricius. However, unlike the bursa of Fabricius, the gland of Aselli seems to fulfil two functions. It not only produces B cells, but also is the site of their terminal differentiation into plasma cells.