黑龙江省帽儿山镇沼泽地生存着一种在体形和皮层形态上酷似贻贝棘尾虫的腹毛类纤毛虫，其大核呈多个结节相连的索状，这与传统的棘毛虫......

Using a modification of the very sensitive glucose-DAB-nickel(GDN)immunohistochemistry method,FOS(the expression protein......