n. the nonmotile female sex cell of the malarial parasite (Plasmodium) and other protozoans. The macrogamete is similar to the ovum of animals and larger than the male sex cell (see microgamete).
n. the motile elongated *zygote of the malarial parasite (*Plasmodium), formed after fertilization of the *macrogamete. The ookinete bores through the lining of the mosquito’s stomach and attaches itself to the outer wall, where it later forms an *oocyst.... ookinete