receptors

简明释义

英[rɪˈsɛptəz]美[rɪˈsɛptərz]

n. [生化]受体；接受器；神经末梢（receptor 的复数）

英英释义

单词用法

同义词

反义词

例句

1.To investigate the function of cannabinoids, researchers injected newborn mice with a chemical that is known to block cannabinoides from reaching their receptors in the brain.

为了研究大麻素的作用，研究人员给新生老鼠注射了一种化学物质，这种化学物质可以阻止大麻素到达它们大脑中的受体。

2.Different genes create receptors for other cancers.

不同的基因产生针对其他癌细胞的受体。

3."In general," they reported, "the ability of the compounds to compete at the receptors correlates with their ability to stimulate locomotion in the mouse."

“总的来说，”他们报告称，“化合物在受体上的竞争能力与它们刺激老鼠运动的能力有关。”

4.Our mouths and tongues have taste buds, which are receptors for the five basic flavors: sweet, salty, sour, bitter, and umami, or what is more commonly referred to as savory.

我们的嘴巴和舌头上都有味蕾。味蕾是五种基本味道的感受器：甜、咸、酸、苦和鲜味，也就是通常所说的咸味。

5.As we eat, specialised receptors in the back of the nose detect the air molecules in our meals.

当我们吃东西的时候，鼻子后部的特殊感受器会检测我们食物中的空气分子。

6.There are at least two classes of these receptors, which have been designated A1 and A2.

这些受体至少有两类，分别被命名为A1和A2。

7.The body has various types of receptors that detect changes in the environment.

身体有多种类型的受体，可以检测环境中的变化。

8.Pain receptors in the skin send signals to the brain when injured.

皮肤中的疼痛受体在受伤时向大脑发送信号。

9.Taste receptors on the tongue help us identify different flavors.

舌头上的味觉受体帮助我们识别不同的味道。

10.Hormones bind to specific receptors to trigger physiological responses.

激素与特定的受体结合以触发生理反应。

11.The study focused on the role of neurotransmitter receptors in mood regulation.

这项研究集中于神经递质受体在情绪调节中的作用。

作文

In the intricate world of biology, the term receptors (受体) plays a crucial role in understanding how cells communicate and respond to their environment. These specialized proteins are found on the surfaces of cells and are responsible for receiving signals from various stimuli, including hormones, neurotransmitters, and environmental changes. The importance of receptors (受体) cannot be overstated, as they are fundamental to numerous physiological processes that sustain life. One of the primary functions of receptors (受体) is to facilitate communication between cells. When a signaling molecule, such as a hormone, binds to a specific receptor (受体), it triggers a cascade of biochemical events within the cell. This process, known as signal transduction, allows the cell to respond appropriately to the external signal. For instance, when insulin binds to its receptor (受体) on muscle or fat cells, it promotes the uptake of glucose, thereby regulating blood sugar levels. There are many different types of receptors (受体), each with unique characteristics and functions. The two main categories are ionotropic and metabotropic receptors (受体). Ionotropic receptors (受体) act as channels that open or close in response to the binding of a ligand, allowing ions to flow into or out of the cell. This rapid response is critical in processes such as muscle contraction and neuronal signaling. On the other hand, metabotropic receptors (受体) initiate slower, more prolonged responses by activating intracellular signaling pathways through second messengers. Moreover, the study of receptors (受体) has significant implications for medicine and pharmacology. Many drugs are designed to target specific receptors (受体) to elicit desired therapeutic effects. For example, beta-blockers are medications that block beta-adrenergic receptors (受体), which can help reduce heart rate and lower blood pressure in patients with cardiovascular conditions. Understanding the mechanisms of receptors (受体) can lead to the development of more effective treatments with fewer side effects. In addition to their roles in health, receptors (受体) are also involved in various diseases. Abnormalities in receptors (受体) can lead to conditions such as diabetes, cancer, and neurological disorders. For instance, mutations in certain receptors (受体) can cause cancer cells to grow uncontrollably. Therefore, research into receptors (受体) not only enhances our understanding of cellular processes but also opens new avenues for targeted therapies. In conclusion, receptors (受体) are vital components of biological systems that facilitate communication and response to external signals. Their diverse types and functions underscore their importance in both normal physiology and disease states. As research continues to unravel the complexities of receptors (受体), we can expect to see advancements in medical treatments and a deeper understanding of the fundamental processes that govern life itself.

在生物学的复杂世界中，术语receptors（受体）在理解细胞如何与环境沟通和反应方面发挥着至关重要的作用。这些特殊的蛋白质存在于细胞表面，负责接收来自各种刺激的信号，包括激素、神经递质和环境变化。receptors（受体）的重要性不容小觑，因为它们是维持生命的众多生理过程的基础。 receptors（受体）的主要功能之一是促进细胞之间的沟通。当信号分子（如激素）与特定的receptors（受体）结合时，它会触发细胞内一系列生化事件的级联反应。这个过程被称为信号转导，使细胞能够对外部信号作出适当反应。例如，当胰岛素与其在肌肉或脂肪细胞上的receptors（受体）结合时，它促进了葡萄糖的摄取，从而调节血糖水平。 有许多不同类型的receptors（受体），每种都有独特的特征和功能。两大主要类别是离子型和代谢型receptors（受体）。离子型receptors（受体）作为通道，在配体结合时打开或关闭，允许离子进出细胞。这种快速反应在肌肉收缩和神经信号传递等过程中至关重要。另一方面，代谢型receptors（受体）通过激活细胞内信号通路和第二信使来启动较慢、更持久的反应。 此外，对receptors（受体）的研究对医学和药理学具有重要意义。许多药物旨在针对特定的receptors（受体）以产生所需的治疗效果。例如，β-阻滞剂是一类药物，通过阻断β-肾上腺素能receptors（受体）来帮助降低心率和血压，适用于心血管疾病患者。理解receptors（受体）的机制可以导致更有效的治疗方法，并减少副作用。 除了在健康中的作用外，receptors（受体）还参与各种疾病。receptors（受体）异常可能导致糖尿病、癌症和神经系统疾病等情况。例如，某些receptors（受体）的突变可能导致癌细胞失控生长。因此，对receptors（受体）的研究不仅增强了我们对细胞过程的理解，还为靶向疗法开辟了新的途径。 总之，receptors（受体）是生物系统的重要组成部分，促进了对外部信号的沟通和反应。它们多样的类型和功能强调了它们在正常生理和疾病状态中的重要性。随着研究继续揭示receptors（受体）的复杂性，我们可以期待医学治疗的进步，以及对支配生命本质过程的更深刻理解。