B cells, unlike the other 2 classes of lymphocytes, T cells and natural killer cells, express B cell receptors (BCRs) on their cell membrane. BCRs allow the B cell to bind a specific antigen, against which it will initiate an antibody response.
Full Definition of INFEST. transitive verb. 1. 2. : to live in or on as a parasite. â inÂ·fesÂ·tant \-Ëfes-tÉnt\ noun. â inÂ·fesÂ·taÂ·tion \Ëin-Ëfes-ËtÄ-shÉn\ noun. â inÂ·festÂ·er \in-Ëfes-tÉr\ noun. See infest defined for English-language learners.ull Definition of INFEST. transitive verb. 1. 2. : to live in or on as a parasite. â inÂ·fesÂ·tant \-Ëfes-tÉnt\ noun. â inÂ·fesÂ·taÂ·tion \Ëin-Ëfes-ËtÄ-shÉn\ noun. â inÂ·festÂ·er \in-Ëfes-tÉr\ noun. See infest defined for English-language learners.
Define cooped. cooped synonyms, cooped pronunciation, cooped translation, English dictionary definition of cooped. ) n. 1. A small enclosure or cage, as for poultry or small animals. 2. A cramped or uncomfortably confined space. 3. Slang A jail or prison. tr.v.