BLOODcell) to direct their actions during an IMMUNE
RESPONSE. B-cell lymphocytes and T-cell lympho-
cytes both secrete lymphokines. Lymphokines
activate and coordinate numerous immune func-
tions across the spectrum of the immune
response. They also stimulate cell growth and acti-
vation and stimulate MACROPHAGEactivity.
See also B-CELL LYMPHOCYTE; COMPLEMENT CAS-
CADE; INTERFERONS; INTERLEUKINS; LEUKOCYTE; LYMPHO-
CYTE; MONOKINES; T-CELL LYMPHOCYTE.lymphokines 281