Microbiology parasitology afb14f50 Sheathed microfilaria is/are - A W. Bancrofti B Loa-loa C M. Perstans D B. Malayi High-Yield Explanation Covered by hyaline sheath The sheath is much longer than the embryo so that microfilaria can move forward and backward with in it . (refer pgno:165 baveja 3 rd edition)