Like humans, dogs have special smell receptor cells lining their noses.

像人类一样，狗在鼻子旁边有着特别的嗅觉接受器细胞。

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To test the idea, the researchers measured the density of sweat pores. Because they knew that touch receptor cells cluster around sweat pores.

为了验证这一想法，研究人员又测量了志愿者指尖的汗毛孔密度，因为他们知道触觉受体细胞总是聚集在汗毛孔周围的。

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Beyond this distance, some of the detail in the picture can no longer be resolved by the conical receptor cells in the retina of the eye.

超过这个距离，图像中的某些细节已不再能够被眼睛视网膜中的视锥细胞所解析。

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This is, maybe, the strangest because the ligand that stimulates the receptor is produced by the cell itself; so sometimes cells make signals that they receive.

它可能是最奇特的,因为激活受体的配体,是由细胞自身产生的,有时细胞产生让自己接受的信号

耶鲁公开课 - 生物医学工程探索课程节选

For example, HIV enters cells of the immune system by binding to a receptor called CD4.

比如,HIV通过与CD4的受体结合,进入到免疫系统细胞中

耶鲁公开课 - 生物医学工程探索课程节选

Immune cells recognize it, and they recognize it by a very special form of receptor-ligand interaction where the ligand is MHC1 with the foreign antigen and the receptor is a receptor called the T-cell receptor complex.

免疫细胞识别出染病细胞,通过一种特殊形式的,受体配体协作机制识别出来,其中的配体是同,外源抗原共同出现的MHC1,而这其中受体是T细胞受体复合体

耶鲁公开课 - 生物医学工程探索课程节选

Asthma inhalers like albuterol, which work by stimulating beta-receptor cells in the lungs, were first used to treat high-altitude climbers.

WSJ: Mayo Clinic Researchers on Everest Study High Altitude's Effects on the Body

In theory, the medicines could affect the immune system, because a receptor on immune cells is very similar to DPP-4.

FORBES: Magazine Article

Anadys Pharmaceuticals is in early-stage human tests with drugs that stimulate the so-called TLR-7 receptor on immune cells to produce interferon just where it is needed.

FORBES: Magazine Article