subperiodic periodicity

sub·pe·ri·od·ic per·i·o·dic·i·ty

a modified circadian rhythm in which the periodicity is not clearcut, as in certain zoonotic strains of Malayan filariasis caused by Brugia malayi; as in examples of strict filarial periodicity, this response is correlated with the biting habits of the vector insect (mosquito), although the precise mechanism inducing this microfilarial response is not clearly established.
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