Bursa

a purse: move, Purscr. small (bur'-sah) sac interposed. B. an serin a, a pouch situated between the long internal lateral ligament and the lower internal hamstring tendons. B. colera, the gall-bladder. B. cord is, the pericardium. B. fabric i i, "A glandular organ existing in both sexes and all species of birds; most developed in young birds, more or le atrophied in adults; it opens on the dorsal wall of the cloaca, into the lowest chamber of that organ." (Forbes.) B. mucosae, a bursa situated in subcutaneous areolar ti ue. B., Plantar, a bursa situated over the instep, either above or below a tendon. B., Popliteal, a bursa situated in the popliteal space between the tendon of the semi mem bra nos us and the tendon of the inner head of the gastrocnemius, where they rub against each other. B., Prepatellar, a bursa situated over the patella and over the upper part of the patellar ligament. B., Synovial, found between tendons and bony surfaces. B. vaginal is, the synovial sheath.