noun
affinity maturation
Immunology term: the process by which B cells produce antibodies with increased affinity for an antigen during an immune response.
親和性成熟は、抗体の抗原への結合力を高める重要な過程です。
Affinity maturation is an important process that increases the binding strength of antibodies to antigens.
Compound of 親和性 (affinity) and 成熟 (maturation), likely a calque from English 'affinity maturation'.