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.
The coronary sinus drains coronary venous blood into the anteroinferior portion of the right atrium. The thebesian valve is located at the orifice of the coronary sinus. The limbus of the fossa ovalis is located on the medial wall of the right atrium and circumscribes the septum primum of the fossa ovalis anteriorly, posteriorly, and superiorly.