endosteum

简明释义

英[enˈdɒstiəm]美[enˈdɑstɪəm]

n. [解剖] 骨内膜

复 数 e n d o s t e a

英英释义

单词用法

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例句

1.Conclusion EBFP has the advantages of fixation without the drilling holes, no screws are used, the fixation is firm giving no trauma of intramedullary blood vessels and endosteum.

结论该接骨板不钻孔，不用螺钉，对髓内血管及骨内膜无损伤，固定可靠。

2.Conclusion EBFP has the advantages of fixation without the drilling holes, no screws are used, the fixation is firm giving no trauma of intramedullary blood vessels and endosteum.

结论该接骨板不钻孔，不用螺钉，对髓内血管及骨内膜无损伤，固定可靠。

3.This rat model of endosteum ossification was successful.

该动物模型是成功的。

4.The inner surface of the bone is lined with the endosteum, which is essential for bone growth and repair.

骨骼的内表面被内膜衬里，这对骨骼的生长和修复至关重要。

5.During the healing process, the endosteum plays a crucial role in forming new bone tissue.

在愈合过程中，内膜在形成新骨组织中发挥了关键作用。

6.Researchers are studying how the endosteum contributes to the regeneration of bone after injury.

研究人员正在研究内膜在受伤后如何促进骨骼再生。

7.The endosteum contains osteoblasts that help in the formation of new bone cells.

内膜含有帮助形成新骨细胞的成骨细胞。

8.In certain medical conditions, the endosteum may become inflamed, leading to complications.

在某些医学状况下，内膜可能会发炎，从而导致并发症。

作文

The human body is an intricate system composed of various tissues and structures, each playing a vital role in maintaining overall health. One such structure that often goes unnoticed is the endosteum. The endosteum is a thin layer of connective tissue that lines the inner surface of bones, particularly the medullary cavity, which is the central cavity where bone marrow is stored. This delicate membrane is crucial for several reasons, and understanding its functions can enhance our knowledge of human anatomy and physiology. Firstly, the endosteum plays a significant role in bone growth and remodeling. It contains osteoblasts, which are cells responsible for bone formation. When the body requires new bone tissue—whether due to growth, healing, or adaptation to stress—the endosteum becomes active. Osteoblasts in the endosteum secrete new bone matrix, which gradually mineralizes to form strong, new bone. This process is essential not only during childhood and adolescence when bones are growing rapidly but also throughout adulthood as bones continually remodel in response to physical activity and weight-bearing exercises. Moreover, the endosteum is involved in the maintenance of bone marrow. The bone marrow, which resides within the medullary cavity, is responsible for producing blood cells. The endosteum provides a supportive environment for the hematopoietic stem cells that give rise to red blood cells, white blood cells, and platelets. Therefore, any damage or disease affecting the endosteum can have far-reaching consequences on blood cell production and overall health. In addition to its roles in growth and maintenance, the endosteum also serves as a site for the attachment of various types of cells involved in bone metabolism. For instance, osteoclasts, which are responsible for bone resorption, are also found in close proximity to the endosteum. This dynamic interaction between osteoblasts and osteoclasts ensures that bone turnover occurs efficiently, allowing the skeleton to adapt to changing physical demands. Furthermore, the endosteum has implications in the field of medicine, especially in understanding diseases such as osteoporosis. Osteoporosis is characterized by a decrease in bone density, leading to an increased risk of fractures. Research has shown that alterations in the function of the endosteum can contribute to the development of this condition. By studying how the endosteum behaves in healthy versus osteoporotic bones, scientists hope to develop targeted therapies that can help restore bone density and reduce fracture risk. In conclusion, the endosteum may be a small and often overlooked component of the skeletal system, but its importance cannot be overstated. From facilitating bone growth and remodeling to supporting blood cell production, the endosteum is integral to maintaining the health of our bones and overall well-being. As we continue to explore the complexities of human anatomy, appreciating structures like the endosteum will deepen our understanding of the body’s remarkable capabilities and resilience. Recognizing the significance of the endosteum also highlights the need for ongoing research into bone health and the prevention of related diseases, ensuring that we can lead healthier lives as we age.

人体是一个复杂的系统，由各种组织和结构组成，每个部分都在维持整体健康中扮演着重要角色。其中一个常常被忽视的结构是endosteum。endosteum是覆盖在骨骼内表面的一层薄薄的结缔组织，特别是骨髓腔的内壁，骨髓腔是储存骨髓的中央腔体。这层精致的膜对多个方面至关重要，理解它的功能可以增强我们对人体解剖学和生理学的知识。 首先，endosteum在骨骼生长和重塑中发挥着重要作用。它含有成骨细胞，这些细胞负责骨骼的形成。当身体需要新的骨组织时，无论是由于生长、愈合还是适应压力，endosteum都会变得活跃。endosteum中的成骨细胞分泌新的骨基质，这些基质逐渐矿化形成坚固的新骨。这一过程在儿童和青少年时期尤为重要，因为此时骨骼正在快速生长；而在成年期，骨骼也会根据身体活动和负重锻炼不断重塑。 此外，endosteum还参与骨髓的维护。骨髓位于骨髓腔内，负责产生血细胞。endosteum为造血干细胞提供了支持环境，这些干细胞会生成红细胞、白细胞和血小板。因此，任何影响endosteum的损伤或疾病都可能对血细胞的生成和整体健康产生深远的影响。 除了在生长和维护中的作用外，endosteum还作为多种参与骨代谢的细胞附着的场所。例如，负责骨吸收的破骨细胞也发现与endosteum紧密相邻。这种成骨细胞与破骨细胞之间的动态相互作用确保了骨骼的有效更新，使骨骼能够适应不断变化的物理需求。 此外，endosteum在医学领域也具有重要意义，尤其是在理解如骨质疏松症等疾病方面。骨质疏松症的特征是骨密度下降，导致骨折风险增加。研究表明，endosteum功能的改变可能会促成这种情况的发展。通过研究健康骨骼与骨质疏松骨骼中endosteum的行为，科学家希望开发针对性的疗法，以帮助恢复骨密度并减少骨折风险。 总之，endosteum可能是骨骼系统中一个微小且常被忽视的组成部分，但其重要性不容小觑。从促进骨骼生长和重塑到支持血细胞生产，endosteum对于维持我们骨骼的健康和整体福祉至关重要。随着我们继续探索人体解剖的复杂性，欣赏像endosteum这样的结构将加深我们对身体卓越能力和韧性的理解。认识到endosteum的重要性也突显了对骨骼健康及相关疾病预防的持续研究的必要性，确保我们在衰老过程中能够过上更健康的生活。