TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

BURSA FABRICIUS [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2006-02-27

English

Subject field(s)
  • Animal Anatomy
  • Birds
  • Poultry Production
DEF

An epithelial outgrowth of the cloaca in birds, which develops in a manner similar to that of the thymus in mammals, atrophying after 5 or 6 months and persisting as a fibrous remnant in sexually mature birds. It contains lymphoid follicles, and before involution is a site of formation of B lymphocytes associated with humoural or antibody immunity.

OBS

May be very large in young chickens and compress the cloaca dorsally. It opens into the proctodeum, the most caudal of the three chambers of the cloaca.

CONT

At the junction of the large intestine and the cloaca is a dorsal projection known as the bursa of Fabricius, a prominent lymphoid organ.(Avian Physiology, by P. D. Sturkie, 1976, p. 187).

French

Domaine(s)
  • Anatomie animale
  • Oiseaux
  • Élevage des volailles
DEF

Formation lymphoïde particulière aux oiseaux. Elle est située sur la face dorsale du cloaque. Elle est le lieu de production des lymphocytes B.

CONT

La bourse de Fabricius a la forme d'une vésicule à paroi épaisse appendue au cloaque; elle est volumineuse et acquiert son développement complet chez les oiseaux encore jeunes, puis diminue progressivement de volume après la puberté.

Spanish

Campo(s) temático(s)
  • Anatomía animal
  • Aves
  • Cría de aves
Save record 1

Record 2 1993-03-11

English

Subject field(s)
  • Lymphatic System
DEF

Lymphoid organs in which lymphocytes complete their initial maturation steps; they include the fetal liver, adult bone marrow and thymus, and the bursa of Fabricius in birds.

CONT

Lymphoid system: The lymphoid tissue of the body considered collectively; it can be divided into primary (or central) lymphoid tissues, the thymus and bone marrow where lymphocytes differentiate from stem cells, and secondary (or peripheral) tissues, the lymph nodes, spleen, and gut-associated lymphoid tissue (tonsils, Peyer’s patches) where lymphocytes take part in immune responses.

French

Domaine(s)
  • Système lymphatique
CONT

On distingue les organes lymphoïdes centraux (moelle osseuse, thymus, bourse de Fabricius), où s'effectue la maturation des différentes familles lymphocytaires et les organes lymphoïdes périphériques (rate, ganglions lymphatiques, amygdales, système lymphoïde du tube digestif), sièges de la majorité des réactions immunitaires.

Spanish

Save record 2

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Display options

Change the order of display of the official languages of Canada
Option to display the non-official languages (Spanish or Portuguese)
Display definitions, contexts, etc., on records

Features

Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: