...—Theseconsist in the simplest form of a collection of serous fluid mixed withfibrin within a distended bursa... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Sebific duct: carries the excretions of the colleterialgland to the bursa copulatrix...
John. B. Smith 「Explanation of Terms Used in Entomology」
便利！手書き漢字入力検索
この漢字は何でしょう？？