Unique to poultry, it is located above the cloaca and connected with the cloaca. Its main function is to produce B lymphocytes. The organ involved in humoral immunity is( ).
【单选题】下面是一段dbberify检查的结果,其中Influx是什么含义? Total Pages Examined: 128 Total Pages Processed(Data):96 Total Pages Failing(Data):0 Total Pages Failing(Index):0 ………….. Total Pages Influx : 1()