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Bursa of Fabricius MeSH Descriptor Data 2025


MeSH Heading
Bursa of Fabricius
Tree Number(s)
A10.549.175
A13.163
A15.382.520.604.114
Unique ID
D002060
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D002060
Scope Note
An epithelial outgrowth of the cloaca in birds similar to the thymus in mammals. It atrophies within 6 months after birth and remains as a fibrous remnant in adult birds. It is composed of lymphoid tissue and prior to involution, is the site of B-lymphocyte maturation.
Public MeSH Note
66
History Note
66(65)
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2003/07/09
Bursa of Fabricius Preferred
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