头部尾部班氏吴策线虫（班氏丝虫）wuchereriabancrofti）微丝蝴【microfilaria]苏木素染色【harrishaematoxylin]虫体染成蓝紫色。体外被有一层透明鞘膜（sheath），着色浅体态柔和，弯曲较大。头间隙（cephalicspace）长等于宽或小于宽，体核圆形，排列整齐，互相分离，清晰可见，无尾核
马来布鲁线虫（马来丝虫）（Brugiamalayi)微丝蝴(microfilaria)苏木素染色[harrishaematoxylin]虫体着色同班氏丝虫，体态硬直，头间隙长约为宽的2倍体核卵圆形，排列紧密，常互相重叠，不易分清，尾部有二处膨大，前后排列。其内各有1个尾核（tailnuclei）
W.bancrofti microfilariaBluntly round anteriorly and pointed caudally body.Graceful, sweeping curves appearance.Palesheath.Note:absenceofterminal nuclei
W. bancrofti microfilaria Bluntly round anteriorly and pointed caudally body. Graceful, sweeping curves appearance. Pale sheath. Note : absence of terminal nuclei
Microfilaria ofWuchereria bancrofti
Microfilaria of Wuchereria bancrofti
MicrofilariaofW.bancroftislightlystainedsheath,nuclearcolumn isseparatelypacked
Microfilaria of W. bancrofti slightly stained sheath, nuclear column is separately packed