B cells are professional antigen presenting cells. B cells promote the activation of T cells, maintain the secondary immune responses of the memory T cells and can become plasma cells to secrete antibodies.

  • B细胞有作为专业抗原提呈细胞递呈抗原,促进T细胞活化,维持记忆性T细胞产生二度免疫应答及分化为浆细胞产生抗体的作用。
  • 来源:互联网摘选更新时间:2026-07-14 02:47:39

  • 重点词汇
  • secretevt.[生]分泌;隐匿,隐藏;私下侵吞;
  • responsesn.反应( response的名词复数 );回答;(礼拜仪式中的)答唱咏;[基督教](礼拜仪式中会众同牧师)轮流应答(或吟唱)的祈祷文;
  • immuneadj.免疫的;有免疫力的;不受影响的;免除…的;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • toprep. 向,朝着;到;关于;属于;
  • presentingv.举向( present的现在分词 );面向;举枪瞄准;(分娩时婴儿)露出;
  • professionaladj.专业的;职业的;非业余的;
  • maintainv.维持,保持;坚称;维修,保养;供养;坚持(意见);固执己见
  • 相关例句
1、

Human fetal ovary has low immunogenicity and is full of multimillions of primordial follicles, which can grow and develop to secrete hormones after leaving the body.

人类胚胎卵巢免疫原性低,其内含有数百万的始基卵泡,这些始基卵泡离体后可生长发育并分泌激素。

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2、

Those are drugs, such as sulfonylureas and glinides, which stimulate the pancreas to secrete more insulin or raise circulating levels of insulin.

这些药物,比如磺脲类药物和格列萘类药物可以刺激胰腺产生更多的胰岛素或提高循环胰岛素量。

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3、

This testis culture, which retained the same tissue architecture as in vivo tissue and continued to secrete testosterone, was able to support infection by HIV-1.

研究者应用分离器官培养人睾丸组织,这些睾丸组织培养物和体内组织结构一样、也能分泌睾酮,并且可以受到HIV-1的感染。

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4、

ELISA test results tell that high sugar can inhibit rats schwann cells to secrete NGF. Schwann cells NGF expression of each treatment group has increased ( p0.05).

ELISA检测结果显示,高糖可抑制大鼠雪旺细胞对NGF的分泌,各治疗组雪旺细胞NGF分泌均有提高(p0.05)。

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5、

A number of sources including plants, animals and microorganisms ( especially of fungal and bacterial origin) were screened for the ability to secrete phytase.

目前已筛选得到许多产植酸酶的物种,包括植物、动物和微生物(特别是真菌和细菌)。

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6、

Every brain is initially female in its organisation and it only becomes a male brain when the male foetus begins to secrete hormones.

每个大脑最初在它的组织里是雌性的,它只在男性胎儿开始分泌荷尔蒙的时候变成男性大脑。

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7、

In the coming month, his belly will begin to secrete a kind of liquid that moisturizes the fertilized eggs.

在未来的一个月里,它的腹部会渗出液体,滋润受精卵子。

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9、

The osteoblast is the important function is to secrete bone matrix ( including collagens and glycoproteins) and to synthesize them.

成骨细胞是骨形成过程中的重要功能细胞,其主要功能是分泌骨基质(包括胶原及糖蛋白)及进行合成。

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10、

The ability to secrete IL 6 and TNF α in the control group was stronger than that in patient group ( P < 0 05).

但对照组自分泌IL6、TNFα的作用明显比病人组强(P

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11、

Conclusion: Glimepiride has obvious effect of decreasing the blood sugar concentration, by stimulating the pancreas B cell to secrete more insulin.

结论:格列美脲有明显的降糖作用,这种作用主要是促进胰岛β细胞分泌胰岛素而产生的。

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12、

Activates fibroblasts in the dermal layer to secrete collagen, inmroving aging problem caused by sunlight.

可激活真皮层中纤维母细胞,分泌胶原蛋白,改善因阳光所形成的老化问题。

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13、

The method selected the maximum region similar to secrete information image, and covered the secrete information block, thus hiding the secrete information.

该方法从遥感图像中选择与机密信息图像块最大相似区域,覆盖机密信息块,从而达到机密信息隐藏的目的。

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14、

⑶ The encapsulated recombinant myoblasts continued to secrete human calcitonin in vivo and in vitro.

⑶在体外、体内检测到人降钙素的持续分泌,说明重组人降钙素可渗透通过微囊壁,进而发挥其生理作用。

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15、

The submandibular salivary gland is a main organ to secrete the epidermal growth factor ( EGF).

颌下腺是表皮生长因子(EGF)的主要分泌器官。

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16、
17、

Role of estrogen in angiogenic activity in rat myocardium in vitro: promoting microvascular endothelial cells to secrete VEGF

17β-雌二醇对大鼠心肌的促血管新生作用:促进微血管内皮细胞分泌VEGF

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18、

Conclusion: Capillary induced nurse cells to secrete basement membrane, then induced the appearance of podocytic process;

结论毛细血管诱导足细胞分泌基膜之后再诱导足突产生;

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19、

Conclusion The cyclic pressure promotes chondrocytes to secrete type ⅱ collagen, which benefits the construction of tissue engineering cartilage.

结论循环应力刺激软骨细胞合成分泌Ⅱ型胶原增加,有利于在体外构建组织工程软骨。

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20、

The fusion protein stimulated KG-1 cells to secrete γ-interferon and had anti-apoptosis effect.

此融合蛋白能刺激KG-1细胞分泌γ-干扰素,并具有抗MTX诱导凋亡的生物学功能。

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