To stick to

to be persevering in holding to; as, to stick to a party or cause.

See also: Stick

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The researchers conclude that this variation has two functions: It allows the parasite to stay one step ahead of a host's ability to make antibodies that could attack the merozoite proteins, and it ensures that the merozoite-infected red cells won't run out of cells to stick to in order to avoid the spleen.