内科一、名词解释 (一)酶:酶是由活细胞产生的一类特殊蛋白质,能在体内及体外起催化作用,故又称生物催化剂。 (二)细胞免疫:机体在特异性抗原刺激下,以T细胞活动为主,产生致敏淋巴细胞的免疫反应,叫做细胞免疫。 (三)呼吸衰竭:是由呼吸系统疾病或其他原因,使呼吸功能严重受损,以致静息呼吸空气时,不 Internal medicine First, the term explained (a) Enzyme: enzyme is a kind of special protein produced by living cells, can play a catalytic role in vivo and in vitro, it is also known as biocatalyst. (B) cellular immunity: the body in the stimulation of specific antigens to T-cell activity-based, resulting in sensitized lymphocyte immune response, called cellular immunity. (C) respiratory failure: is caused by respiratory diseases or other causes, severe respiratory impairment, so resting breathing air, not