canaliculi

简明释义

英[ˌkænəˈlaɪkaɪlaɪ]美[ˌkænəˈlaɪkaɪlaɪ]

n. （骨头或植物某些部位的）微管（canaliculus 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Objective To explore therapy methods for the treatment of traumatic lacrimal canaliculi laceration in fishermen.

目的探讨渔民外伤性泪小管断裂治疗方法。

2.At late stage, the main changes were proliferation of bile canaliculi and connective tissue, cirrhosis and cholestasis.

感染后期，肝脏质地变硬，胆管和结缔组织增生，胆汁淤积。

3.Conclusions Right repair method and efficient drug therapy were helpful for the anastomosis of traumatic lacrimal canaliculi laceration in fisherman.

结论渔民外伤性泪小管断裂采取正确的修复方法和有效的药物治疗，有助于手术成功。

4.These secretory canaliculi are filled with acid.

这些分泌小管内充满了胃酸。

5.Objective To evaluate the clinical effect of two different filling material on treating lacrimal canaliculi rupture:vein detain needle, epidural catheter.

目的比较静脉留置针与硬膜外导管应用于泪小管断裂吻合术中的临床疗效。

6.The size, shape and relation of the canaliculi and lacunae were observed clearly.

可清晰观察到骨小管和骨陷窝的大小和形态及骨小管和骨陷窝的关系。

7.S100A13 protein was mainly expressed in the cytoplasm of HCC cells, occasionally in the nucleus; the secondary bile canaliculi and some inflammatory cells also showed high S100A13 protein expression.

S100A13蛋白主要表达于HC C细胞的胞质中，部分细胞核偶见表达，此外在癌旁次生胆小管中及部分炎细胞中也存在高表达。

8.The bone structure contains tiny channels called canaliculi which facilitate nutrient exchange.

骨骼结构包含称为小管的微小通道，促进营养交换。

9.In histology, we study the role of canaliculi in bone tissue.

在组织学中，我们研究小管在骨组织中的作用。

10.The canaliculi are essential for maintaining the health of osteocytes.

这些小管对于维持骨细胞的健康至关重要。

11.Researchers found that canaliculi play a crucial role in cellular communication.

研究人员发现小管在细胞间通信中起着至关重要的作用。

12.The presence of canaliculi indicates a well-developed bone matrix.

小管的存在表明骨基质发育良好。

作文

In the fascinating world of biology, the term canaliculi refers to tiny channels or ducts that are found in various tissues, particularly in bone and cartilage. These microscopic structures play a crucial role in the overall function and health of these tissues. Understanding canaliculi is essential for anyone studying anatomy or physiology, as they contribute significantly to the maintenance of bone strength and the communication between cells. In this essay, we will explore the structure and function of canaliculi, their importance in bone health, and their role in various physiological processes. The structure of canaliculi is quite intricate. They are formed from the lacunae, which are small cavities that house osteocytes, the mature bone cells. These tiny channels connect the lacunae to one another and to the central canals of the bone, creating a vast network throughout the bone matrix. This unique architecture allows for the efficient transport of nutrients, waste products, and signaling molecules between osteocytes and the blood supply. Without canaliculi, bone cells would be isolated and unable to communicate effectively, leading to compromised bone health. One of the primary functions of canaliculi is to facilitate the exchange of materials necessary for bone remodeling. Bone is a dynamic tissue that undergoes constant renewal through a process called remodeling, which involves the resorption of old bone and the formation of new bone. Osteocytes, housed within lacunae and connected by canaliculi, play a pivotal role in this process by sensing mechanical stress and sending signals to other bone cells, such as osteoblasts and osteoclasts. This communication is vital for maintaining bone density and strength, especially in response to physical activity or changes in load. Moreover, canaliculi are not only important in bone but also have analogous structures in cartilage. The presence of these channels in cartilage allows for the distribution of nutrients and waste removal, which is critical due to the avascular nature of cartilage tissue. This similarity highlights the evolutionary significance of canaliculi in maintaining tissue health across different types of connective tissues. In addition to their structural and functional roles, canaliculi also have implications in various medical conditions. For instance, in diseases such as osteoporosis, the integrity of canaliculi can be compromised, leading to decreased communication between osteocytes and impaired bone remodeling. Understanding the role of canaliculi in such conditions can provide insights into potential therapeutic targets for enhancing bone health and preventing fractures. In conclusion, the study of canaliculi reveals their essential role in the maintenance of bone and cartilage health. Their intricate structure allows for effective communication between cells, facilitating the exchange of nutrients and waste products. As we continue to explore the complexities of biological systems, it becomes increasingly clear that understanding the micro-level structures like canaliculi can lead to significant advancements in medical science and improve our approach to treating various musculoskeletal disorders. Thus, the importance of canaliculi cannot be overstated, as they are fundamental to the very essence of tissue health and functionality.

在生物学的迷人世界中，术语canaliculi指的是在各种组织中发现的微小通道或导管，特别是在骨骼和软骨中。这些微观结构在这些组织的整体功能和健康中发挥着至关重要的作用。理解canaliculi对于任何学习解剖学或生理学的人来说都是必不可少的，因为它们显著地贡献于骨骼强度的维护以及细胞之间的沟通。在这篇文章中，我们将探讨canaliculi的结构和功能，它们在骨骼健康中的重要性，以及它们在各种生理过程中的作用。 canaliculi的结构相当复杂。它们由小腔室（lacunae）形成，这些小腔室是容纳成熟骨细胞（osteocytes）的地方。这些微小的通道将小腔室彼此连接，并与骨骼的中央通道连接，形成遍布骨基质的广泛网络。这种独特的结构使得营养物质、废物和信号分子在骨细胞与血液供应之间高效运输成为可能。如果没有canaliculi，骨细胞将被孤立，无法有效沟通，从而导致骨骼健康受损。 canaliculi的主要功能之一是促进骨骼重塑所需材料的交换。骨骼是一种动态组织，通过一种称为重塑的过程不断更新，该过程涉及旧骨的吸收和新骨的形成。居住在小腔室内并通过canaliculi连接的骨细胞在这一过程中发挥着关键作用，它们感知机械压力并向其他骨细胞（如成骨细胞和破骨细胞）发送信号。这种沟通对于维持骨密度和强度至关重要，尤其是在应对身体活动或负荷变化时。 此外，canaliculi不仅在骨骼中重要，在软骨中也有类似的结构。这些通道在软骨中的存在使得营养物质的分配和废物的清除成为可能，这对于由于软骨组织缺乏血管而变得至关重要。这种相似性突显了canaliculi在维持不同类型结缔组织健康方面的进化意义。 除了它们的结构和功能角色外，canaliculi在各种医疗条件中也有影响。例如，在骨质疏松等疾病中，canaliculi的完整性可能受到损害，导致骨细胞之间的沟通减少和骨重塑受损。理解canaliculi在这些病症中的作用可以为增强骨健康和防止骨折提供潜在的治疗靶点。 总之，研究canaliculi揭示了它们在维护骨骼和软骨健康中的基本作用。它们复杂的结构允许细胞之间有效沟通，促进营养物质和废物的交换。随着我们继续探索生物系统的复杂性，越来越明显的是，理解像canaliculi这样的微观结构可以推动医学科学的重大进步，并改善我们治疗各种肌肉骨骼疾病的方法。因此，canaliculi的重要性不容小觑，因为它们是组织健康和功能本质的基础。