bursa of Fabricius

bursa of Fabricius
(běr\'sě fě-bris\'e-ěs)
Found in birds; the blind saclike structure located on the posterior wall of the cloaca; it performs a thymuslike function. A primary lymphoid organ where B-cell maturation occurs. Bone marrow is the equivalent in mammals.

Microbiology. . 2009.

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  • Bursa of Fabricius — In birds, the bursa of Fabricius (Latin: Bursa cloacalis or Bursa fabricii ) is the site of hematopoiesis, a specialized organ that, as first demonstrated by Bruce Glick and later by Max Cooper and Robert Good, is necessary for B cell development …   Wikipedia

  • bursa of Fabricius — bursa of Fa·bri·cius fə brish( ē) əs n a blind glandular sac that opens into the cloaca of birds and functions in B cell production Fabricius Johann Christian (1745 1808) Danish entomologist. Fabricius was one of the outstanding entomologists of… …   Medical dictionary

  • bursa of fabricius — fəˈbrish(ē)əs Usage: usually capitalized F Etymology: translation of New Latin bursa Fabricii, from bursa + Fabricii, gen. of Fabricius (Hieronymous Fabricius of Aquapendente died 1619 Italian anatomist) : a blind glandular sac that opens into… …   Useful english dictionary

  • bursa of Fabricius — Etymology: Johan C. Fabricius died 1808 Danish entomologist Date: 1945 a lymphoid organ that opens into the cloaca of birds and functions in B cell production …   New Collegiate Dictionary

  • bursa of Fabricius — Ornith. a lymphoid gland of the cloaca in birds, believed to function in disease resistance, and closing or disappearing as the bird ages. [after Hieronymus Fabricius ab Aquapendente (1537 1619), Italian anatomist, who discovered it] * * * …   Universalium

  • bursa of Fabricius — bur′sa of Fa•bri′ci•us [[t]fəˈbrɪʃ i əs, ˈbrɪʃ əs[/t]] n. orn a lymphoid gland of the cloaca in immature birds • Etymology: after Hieronymus Fabricius ab Aquapendente (1537–1619), Italian anatomist, who discovered it …   From formal English to slang

  • Bursa of Fabricius — A lymphoid tissue found at the junction of the cloaca and the gut of birds giving rise to the so called B lymphocyte series …   Dictionary of molecular biology

  • Bursa (disambiguation) — Bursa may refer to: * Bursa (formerly known as Brusa and Prusa ), the capital of Bursa Province, Turkey ** Bursa Province, Turkey ** the Bursa meteorite of 1946, which fell in Bursa, Turkey (see Meteorite falls) * Bursa (pigeon), a breed of… …   Wikipedia

  • Bursa — A bursa is a closed fluid filled sac that functions to provide a gliding surface to reduce friction between tissues of the body. When the bursa becomes inflamed, the condition is known as "bursitis." Most commonly this is not an… …   Medical dictionary

  • Bursa (anatomy) — Infobox Anatomy Name = PAGENAME Latin = GraySubject = GrayPage = Caption = Within the knee joint: bursae visible top right and bottom right Caption2 = Precursor = System = Artery = Vein = Nerve = Lymph = MeshName = Bursa,+Synovial DorlandsPre = b …   Wikipedia

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