bursa of Fabricius

noun phrase
bursa of Fa·​bri·​cius | \ -fə-ˈbrē-sh(ē-)əs How to pronounce bursa of Fabricius (audio) , -ˈbri-, -s(ē-)əs How to pronounce bursa of Fabricius (audio) \

Definition of bursa of Fabricius

: a lymphoid organ that opens into the cloaca of birds and functions in B cell production

First Known Use of bursa of Fabricius

1887, in the meaning defined above

History and Etymology for bursa of Fabricius

Johan C. Fabricius †1808 Danish entomologist

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The first known use of bursa of Fabricius was in 1887

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Cite this Entry

“Bursa of Fabricius.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bursa%20of%20Fabricius. Accessed 1 Dec. 2020.

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bursa of Fabricius

noun
bursa of Fa·​bri·​cius | \ -fə-ˈbrish(-ē)-əs How to pronounce bursa of Fabricius (audio) \

Medical Definition of bursa of Fabricius

: a blind glandular sac that opens into the cloaca of birds and functions in B cell production

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