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汽车 抗扰系统 生殖生物学 免疫系 运动的, 生理 ★ 免疫系统
immune system A body system that helps an organism to resist disease, through the activities of specialised blood cells or antibodies produced by them in response to natural exposure or inoculation
环境 免疫系统 (协助生物体抵制疾病的身体系统。自然感染或接种后产生的特殊的血球细胞或抗体的活动可以发挥此作用。) 英语 词库 医疗的 A complex network of specialized cells, tissues, and organs that recognize and defend the body from foreign substances, primarily disease-causing microorganisms such as bacteria, viruses, parasites, and fungi. Organs and tissues of the immune system, called lymphoid organs, include the bone marrow, spleen, thymus, and tonsils. Immune system cells include white blood cells, such as B lymphocytes B cells , T lymphocytes T cells , dendritic cells, and macrophages. HIV infection gradually destroys the immune system.
