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单词 Immunologically competent
释义

Immunologically competent

中文百科

淋巴细胞 Lymphocyte

(重定向自Immunologically competent)
 扫描电子显微镜下的单个人类淋巴细胞的图像
Linfocito mostrando su gran núcleo (microscopio óptico).

淋巴细胞英语:lymphocyte),也称淋巴球,为白细胞中体积最小的一种,直径6—8微米;在人体约占白细胞的20—30%,圆形细胞核,细胞质很少。

某些疾病可以影响淋巴细胞数目的增减,如患肺结核时,有显着增加。

淋巴细胞是一类具有免疫识别功能的细胞系。按其发生迁移、表面分子和功能的不同,可分为T细胞、B细胞和自然杀伤(NK)细胞。淋巴细胞的膜表面分子(分化群抗原)可用于鉴定和区分其亚群和亚类,是研究淋巴细胞的重要工具。

英语百科

Lymphocyte 淋巴细胞

(重定向自Immunologically competent)
A stained lymphocyte surrounded by red blood cells viewed using a light microscope.
Development of blood cells
A scanning electron microscope image of normal circulating human blood showing red blood cells, several types of white blood cells including lymphocytes, a monocyte, a neutrophil and many small disc-shaped platelets.

A lymphocyte is one of the subtypes of white blood cell in a vertebrate's immune system. Lymphocytes include natural killer cells (NK cells) (which function in cell-mediated, cytotoxic innate immunity), T cells (for cell-mediated, cytotoxic adaptive immunity), and B cells (for humoral, antibody-driven adaptive immunity). They are the main type of cell found in lymph, which prompted the name lymphocyte.

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更新时间:2025/6/21 2:31:37