<P> B cells , also known as B lymphocytes , are a type of white blood cell of the lymphocyte subtype . They function in the humoral immunity component of the adaptive immune system by secreting antibodies . Additionally , B cells present antigen ( they are also classified as professional antigen - presenting cells ( APCs ) ) and secrete cytokines . In mammals , B cells mature in the bone marrow , which is at the core of most bones . In birds , B cells mature in the bursa of Fabricius , a lymphoid organ . ( The `` B '' from B cells comes from the name of this organ , where it was first discovered by Chang and Glick , and not from bone marrow as commonly believed . ) </P>
<P> B cells , also known as B lymphocytes , are a type of white blood cell of the lymphocyte subtype . They function in the humoral immunity component of the adaptive immune system by secreting antibodies . Additionally , B cells present antigen ( they are also classified as professional antigen - presenting cells ( APCs ) ) and secrete cytokines . In mammals , B cells mature in the bone marrow , which is at the core of most bones . In birds , B cells mature in the bursa of Fabricius , a lymphoid organ . ( The `` B '' from B cells comes from the name of this organ , where it was first discovered by Chang and Glick , and not from bone marrow as commonly believed . ) </P>
the differentiated b cells that produce and secrete large amounts of antibodies are called
the differentiated b cells that produce and secrete large amounts of antibodies are called
B lymphocytes
B lymphocytes