Cellular composition of lymphoid tissue of peyer's patch of duodenum in ducks

Authors

  • T. A. Mazurkevych National University of Life and Environmental Sciences of Ukraine image/svg+xml

DOI:

https://doi.org/10.31548/ujvs2020.03.003

Keywords:

ducks, duodenum, Peyer's patch, lymphoid tissue, immunoblasts, lymphocytes, proplasmocytes, plasmocytes, monocytes, macrophages

Abstract

Abstract. The aim of our research was to study the cell composition of the lymphoid tissue of the duodenum Peyer's patch of the ducks in the age aspect. Among the cells of the lymphoid tissue of the duodenum Peyer's patch are immunoblasts, lymphocytes, proplasmocytes and plasma cells, monocytes and macrophages, epithelial cells, reticular cells, erythrocytes, granulocytes, fibroblasts and M-cells. The content of populations of these cells is not the same. Lymphocytes in the preparations-imprints are found the most. They are represented by small, medium and large forms. Small lymphocytes were found in the largest number, and large – in the smallest. The content of small lymphocytes decreases unevenly with the age of ducks, and medium and large lymphocytes – increases unevenly. The content of immunoblasts in the lymphoid tissue of the duodenum Peyer's patch of ducks is less than that of lymphocytes. This index decreases unevenly from the first to 420 days of life of the birds. Proplasmocytes and plasmocytes are found in the lymphoid tissue of the duodenum Peyer's patch from the 15-day age of ducks in small numbers. Their content increases significantly with the increasing of the birds age. The content of macrophages and monocytes in the lymphoid tissue of the duodenum Peyer's patch of ducks is insignificant. Uneven increase of this indicator is registered from the first to 420 days of life of the birds. The content of reticular cells cannot be calculated because they are covered by lymphoid cells, and fibroblasts, erythrocytes, granulocytes and M-cells occur in the imprint preparations in small quantities that cannot be statistically processed.

Key words: ducks, duodenum, Peyer's patch, lymphoid tissue, immunoblasts, lymphocytes, proplasmocytes, plasmocytes, monocytes, macrophages

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Published

2020-09-09

Issue

Vol. 11 No. 3 (2020)

Section

Article

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