bipolar cell

简明释义

双极单元

英英释义

例句

1.In the retina, bipolar cells serve as intermediaries between photoreceptors and ganglion cells.

在视网膜中，双极细胞充当光感受器和神经节细胞之间的中介。

2.Damage to bipolar cells can lead to various visual impairments, highlighting their importance in vision.

对双极细胞的损伤可能导致各种视觉障碍，突显了它们在视觉中的重要性。

3.Researchers are studying how bipolar cells influence the overall processing of visual information in the retina.

研究人员正在研究双极细胞如何影响视网膜中视觉信息的整体处理。

4.The signaling pathways involving bipolar cells are complex and essential for proper visual function.

涉及双极细胞的信号通路复杂且对正常视觉功能至关重要。

5.The function of a bipolar cell is crucial in the transmission of visual signals from photoreceptors to ganglion cells.

一个双极细胞的功能在于将视觉信号从光感受器传递到神经节细胞，这一点至关重要。

作文

The human eye is a remarkable organ that allows us to perceive the world around us. Within the retina, there are various types of cells that play crucial roles in the process of vision. One such type is the bipolar cell, which acts as an intermediary in the transmission of visual signals from photoreceptors to ganglion cells. Understanding the function and significance of bipolar cells is essential for comprehending how we see and interpret our surroundings.Bipolar cells are located in the inner layer of the retina and connect the outer layer, where rods and cones (the photoreceptor cells) are situated. When light hits these photoreceptors, they convert the light into electrical signals. However, these signals cannot be sent directly to the brain. This is where bipolar cells come into play. They receive input from the photoreceptors and then transmit these signals to the ganglion cells, which ultimately send the processed information to the brain via the optic nerve.The structure of bipolar cells is quite unique. They have two distinct processes, one that receives signals from photoreceptors and another that sends signals to ganglion cells. This dual nature is what gives them their name. There are two main types of bipolar cells: ON-bipolar cells and OFF-bipolar cells. ON-bipolar cells become activated when light increases, while OFF-bipolar cells respond to decreases in light. This differentiation plays a vital role in our ability to detect changes in light and contrast, enabling us to see in various lighting conditions.Moreover, bipolar cells are crucial for color vision. They contribute to the processing of color information by connecting to different types of photoreceptors, specifically cones, which are responsible for color detection. This connection allows for the integration of color signals, which is essential for our perception of the colorful world around us.In addition to their role in vision, bipolar cells are also involved in various retinal disorders. For instance, damage to these cells can lead to significant vision impairment or blindness. Conditions such as retinitis pigmentosa and diabetic retinopathy can affect the functioning of bipolar cells, highlighting their importance in maintaining healthy vision. Research into these cells is ongoing, with scientists seeking to understand their mechanisms better and develop potential treatments for retinal diseases.In conclusion, bipolar cells are integral components of the visual system that facilitate the communication between photoreceptors and ganglion cells. Their unique structure and functions allow us to perceive light, color, and contrast, making them essential for our daily experiences. As we continue to explore the complexities of the human eye, the study of bipolar cells will undoubtedly remain a significant area of interest, particularly in the context of vision-related health issues. Understanding these cells not only enhances our knowledge of how we see but also opens avenues for potential therapeutic interventions for those affected by retinal diseases.

人眼是一个令人惊叹的器官，使我们能够感知周围的世界。在视网膜中，有多种类型的细胞在视觉过程中发挥着关键作用。其中一种类型是bipolar cell（双极细胞），它作为光感受器和神经节细胞之间信号传递的中介。理解bipolar cells的功能和重要性对于理解我们如何看待和解释周围的事物至关重要。Bipolar cells位于视网膜的内层，连接外层，即杆状细胞和锥状细胞（光感受器细胞）所在的位置。当光线照射到这些光感受器时，它们将光转换为电信号。然而，这些信号不能直接发送到大脑。这就是bipolar cells发挥作用的地方。它们接收来自光感受器的输入，然后将这些信号传递给神经节细胞，后者通过视神经将处理过的信息发送到大脑。Bipolar cells的结构非常独特。它们有两个不同的过程，一个接收来自光感受器的信号，另一个将信号发送给神经节细胞。这种双重特性使它们得名。Bipolar cells主要有两种类型：ON型双极细胞和OFF型双极细胞。ON型双极细胞在光线增加时被激活，而OFF型双极细胞则对光线减少做出反应。这种区分在我们检测光线和对比度变化的能力中起着至关重要的作用，使我们能够在各种光照条件下看见事物。此外，bipolar cells对色彩视觉也至关重要。它们通过连接不同类型的光感受器，特别是负责颜色检测的锥状细胞，参与颜色信息的处理。这种连接允许颜色信号的整合，这是我们感知多彩世界所必需的。除了在视觉中的作用外，bipolar cells还与各种视网膜疾病有关。例如，这些细胞的损伤可能导致显著的视力损害或失明。诸如视网膜色素变性和糖尿病性视网膜病变等疾病可能会影响bipolar cells的功能，突显它们在维持健康视力中的重要性。目前对这些细胞的研究仍在进行，科学家们希望更好地理解它们的机制，并开发潜在的视网膜疾病治疗方法。总之，bipolar cells是视觉系统的重要组成部分，促进光感受器和神经节细胞之间的通信。它们独特的结构和功能使我们能够感知光、颜色和对比度，使其对我们的日常体验至关重要。随着我们继续探索人眼的复杂性，bipolar cells的研究无疑将成为一个重要的研究领域，特别是在与视力相关的健康问题的背景下。理解这些细胞不仅增强了我们对视觉如何运作的认识，也为那些受到视网膜疾病影响的人开辟了潜在的治疗干预途径。