Book with three or more authors. 1  Author's name, et al. 2  Title of the book. 3  Place of publication: Publisher's name, Date of publication. 4  Medium of publication. 5  Only one author name is required.
burÂ·sa faÂ·briÂ·c'iÂ·i. the bursa of Fabricius in poultry, a blind saclike structure located on the posterodorsal wall of the cloaca; it performs a thymuslike function. Synonym(s): bursa of Fabricius. Lymphoid tissue at the junction of the cloaca and the gut in birds, which gives rise to B lymphocytes.arge bursa on the summit of the calcaneus where the superficial digital flexor muscle tendon is partly inserted as it passes distally to the foot; in the horse there may be an additional small subcutaneous bursa over the tendon at this site; its inflammation causes 'capped hock'. cloacal bursa. bursa of Fabricius.
A bursa is a closed fluid-filled sac that functions as a gliding surface to reduce friction between tissues of the body. Bursae is the plural form of bursa.. The major bursae are located adjacent to the tendons near the large joints, such as the shoulders, elbows, hips, and knees.