Sheathed microfilaria is/are -a) W. bancroftib) Loa-loac) M. perstansd) B. malayi: (A) acd, (B) abd, (C) abc, (D) ab
Answer is D. Sheathed microfilaria is covered by hyaline sheath, in which larva moves backwards and forwards within the sheath, e.g. Wuchereria, Brugia and Loa loa