Canadian Medical Guide > Anatomy > Tissues > Lymphoid Tissue > Bursa of Fabricius Terms and Definitions




Bursa of Fabricius

Medical Definition: 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.

Bursa of Fabricius Medical Definitions and Terms

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