Anatomy
bursa of fabricius Audio
bur·sa of fa·bri·ci·us
Subclass of:
Animal Structures; Lymphoid Tissue
Definitions related to bursa of fabricius:
  • A region of the cloaca in avian species responsible for B-cell maturation.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • An epithelial outgrowth of lymphoid tissue in the cloaca of young birds, responsible for B-lymphocyte maturation. It undergoes atrophy and involution at six months of age.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • 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.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • Epithelial outgrowth of the cloaca in birds similar to the thymus in mammals.
    CRISP Thesaurus
    National Institutes of Health, 2006
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