Which of the following shows sheathed microfilaria with terminal nuclei (AIIMS May 2011)
a. This description is of the microfilaria of Loa. They show a diurnal periodicity.
b. Mansonella produces unsheathed microfilaria.
c. Brugia produces sheathed microfilaria with 2 terminal nuclei. They have a nocturnal periodicity.
d. Wuchereria produce sheathed microfilaria with no nuclei in the tail tip. They have nocturnal periodicity.