Definition of bursa of Fabricius in English:

bursa of Fabricius

noun

Zoology

A glandular sac opening into the cloaca of a bird, producing B-cells.
〔动〕腔上囊，法氏囊（开口向鸟泄殖腔）
Example sentencesExamples
- In birds, the thymus and bursa of Fabricius are the sites of maturation of T and B lymphocytes, respectively.
- These drugs prevent development of the bursa of Fabricius and so selectively reduce humoral immunocompetence without influencing macrophages or cell-mediated immunity.
- Birds that possessed a bursa of Fabricius were classified as young birds in their second or third calendar year.
- Males with large badges have a smaller bursa of Fabricius than do average males.
- Measurements of immunological structure include peripheral white blood cell counts and the mass and cellularity of immune organs such as the thymus, spleen, and bursa of Fabricius.

Origin

Mid 19th century (in the Latin form bursa Fabricii): from bursa and a Latinized form of the name of Girolama Fabrici (1533–1619), Italian anatomist.

Definition of bursa of Fabricius in US English:

bursa of Fabricius

nounˌbərsə əv fəˈbriSH(ē)əs

Zoology

A glandular sac opening into the cloaca of a bird, producing B cells.
〔动〕腔上囊，法氏囊（开口向鸟泄殖腔）
Example sentencesExamples
- Measurements of immunological structure include peripheral white blood cell counts and the mass and cellularity of immune organs such as the thymus, spleen, and bursa of Fabricius.
- Birds that possessed a bursa of Fabricius were classified as young birds in their second or third calendar year.
- These drugs prevent development of the bursa of Fabricius and so selectively reduce humoral immunocompetence without influencing macrophages or cell-mediated immunity.
- Males with large badges have a smaller bursa of Fabricius than do average males.
- In birds, the thymus and bursa of Fabricius are the sites of maturation of T and B lymphocytes, respectively.

Origin

Mid 19th century (in the Latin form bursa Fabricii): from bursa and a Latinized form of the name of Girolama Fabrici (1533–1619), Italian anatomist.

单词	bursa of Fabricius
释义	Definition of bursa of Fabricius in English: bursa of Fabricius noun Zoology A glandular sac opening into the cloaca of a bird, producing B-cells. 〔动〕腔上囊，法氏囊（开口向鸟泄殖腔） Example sentencesExamples In birds, the thymus and bursa of Fabricius are the sites of maturation of T and B lymphocytes, respectively. These drugs prevent development of the bursa of Fabricius and so selectively reduce humoral immunocompetence without influencing macrophages or cell-mediated immunity. Birds that possessed a bursa of Fabricius were classified as young birds in their second or third calendar year. Males with large badges have a smaller bursa of Fabricius than do average males. Measurements of immunological structure include peripheral white blood cell counts and the mass and cellularity of immune organs such as the thymus, spleen, and bursa of Fabricius. Origin Mid 19th century (in the Latin form bursa Fabricii): from bursa and a Latinized form of the name of Girolama Fabrici (1533–1619), Italian anatomist. Definition of bursa of Fabricius in US English: bursa of Fabricius nounˌbərsə əv fəˈbriSH(ē)əs Zoology A glandular sac opening into the cloaca of a bird, producing B cells. 〔动〕腔上囊，法氏囊（开口向鸟泄殖腔） Example sentencesExamples Measurements of immunological structure include peripheral white blood cell counts and the mass and cellularity of immune organs such as the thymus, spleen, and bursa of Fabricius. Birds that possessed a bursa of Fabricius were classified as young birds in their second or third calendar year. These drugs prevent development of the bursa of Fabricius and so selectively reduce humoral immunocompetence without influencing macrophages or cell-mediated immunity. Males with large badges have a smaller bursa of Fabricius than do average males. In birds, the thymus and bursa of Fabricius are the sites of maturation of T and B lymphocytes, respectively. Origin Mid 19th century (in the Latin form bursa Fabricii): from bursa and a Latinized form of the name of Girolama Fabrici (1533–1619), Italian anatomist.
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