bursa of Fabricius

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bursa of Fa·bri·ci·us

 (fə-brĭsh′ē-əs, -brĭsh′əs)
n.
A lymphoid gland in birds that is connected to the cloaca and is the site of B cell maturation.
[After Hieronymus Fabricius (1537-1619), Italian anatomist.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

bur′sa of Fa•bri′ci•us

(fəˈbrɪʃ i əs, -ˈbrɪʃ əs)

n.
a lymphoid gland of the cloaca in immature birds.
[after Hieronymus Fabricius ab Aquapendente (1537–1619), Italian anatomist, who discovered it]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Transmission electron microscopy (TEM) indicated the presence of viral particles in the cytoplasm of lymphocytes and macrophages in the bursae of Fabricius from samples at 4 weeks after IBD vaccine administration.
Conversely, at 7 weeks after IBD vaccine administration, no evidence of viral particles was detected in lymphocytes or any other cell in the bursae of Fabricius.
Histopathological lesions in the bursae of Fabricius were demonstrated in this study 4 and 7 weeks after IBD vaccine administration.
Histopatologia y microscopia electronica de transmision de la bolsa de Fabricio en polios, despues de la vacunacion y desafio con el virus IBD

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