stroma

简明释义

英[ˈstrəʊmə]美[ˈstroʊmə]

n. 基质；子座

复 数 s t r o m a t a

英英释义

单词用法

同义词

反义词

例句

1.There is a lack of enhancement of ovarian stroma with thickening of the fallopian tube.

增强扫描卵巢基质无明显强化，输卵管增粗。

2.The results indicate that explant cultures and corneal stroma can promote the growth of epithelium.

结果表明：组织块培养及角膜基质对上皮的生长有促进作用。

3.Numerous small dark blue lymphocytes are seen in the stroma between the glands.

腺体间的间质中可见大量小的深蓝色的淋巴细胞。

4.Note the infiltration of ill-defined glands into the surrounding collagenous stroma.

值得注意的是不确切的腺向周围胶原间质浸润。

5.Vermiculite is the best transplantation stroma of Dendranthema morifolium tube sprout.

蛭石是菊花试管苗最佳的移栽基质。

6.CONCLUSION: marrow stroma cells can be induced into marrow stromal osteoblasts by dexamethasone to form marrow stroma osteoblasts.

结论：地塞米松可以诱导骨髓基质细胞向成骨细胞分化，形成骨髓基质成骨细胞。

7.In the human eye, the stroma (基质) of the iris gives it color and helps to control the size of the pupil.

在人眼中，虹膜的stroma（基质）赋予其颜色，并帮助控制瞳孔的大小。

8.In pathology, the stroma (基质) can be indicative of disease processes in various organs.

在病理学中，stroma（基质）可以指示各种器官中的疾病过程。

9.The stroma (基质) of the kidney contains blood vessels and connective tissue that support its structure.

肾脏的stroma（基质）包含血管和支持其结构的结缔组织。

10.The chloroplast is composed of an outer membrane, an inner membrane, and a gel-like substance called stroma (基质) that contains enzymes for photosynthesis.

叶绿体由外膜、内膜和一种称为stroma（基质）的胶状物质组成，里面含有进行光合作用的酶。

11.During the examination of tissues, the stroma (基质) can provide important context for understanding the organ's function.

在组织检查中，stroma（基质）可以为理解器官的功能提供重要背景。

作文

In the study of biology, particularly in the field of botany and cell biology, the term stroma refers to the supportive tissue or matrix found within certain organs and structures. For instance, in chloroplasts, which are the sites of photosynthesis in plant cells, the stroma is the fluid-filled space that surrounds the thylakoid membranes. This structure plays a crucial role in the synthesis of glucose by providing the necessary environment for the Calvin cycle to occur. The stroma contains enzymes, ribosomes, and DNA, which are essential for the processes that take place within the chloroplasts.Furthermore, the concept of stroma extends beyond plant cells. In animal tissues, stroma can refer to the connective tissues that provide structural support to organs. For example, in the liver, the stroma consists of various cells and extracellular matrix components that help maintain the organ's shape and function. This supportive framework is vital for the proper functioning of the parenchyma, which is the functional tissue of the organ responsible for its specific activities.Understanding the significance of stroma is essential for comprehending how different biological systems operate. In plants, the stroma not only facilitates photosynthesis but also contributes to the overall health of the plant by enabling it to produce food and energy. In animals, the stroma serves as a foundation that supports the vital functions of various organs, ensuring that they can perform their roles efficiently.Moreover, studying the stroma can lead to insights into various diseases. For instance, in cancer research, the tumor stroma is an area of interest, as it can influence tumor growth and metastasis. The interaction between cancer cells and the surrounding stroma can affect how tumors behave and respond to treatment. Understanding these interactions can help researchers develop more effective therapies that target not only the cancer cells but also the supporting tissues that aid their survival.In conclusion, the term stroma encompasses a wide range of biological contexts, highlighting its importance in both plant and animal systems. Whether it is in the chloroplasts of plants or the connective tissues in animals, the stroma serves as a crucial component that supports and sustains life. By exploring the various roles of stroma, we can gain a deeper appreciation for the complexity of biological systems and the interconnectedness of different cellular components. This understanding is vital for advancing our knowledge in fields such as agriculture, medicine, and environmental science, ultimately contributing to better health and sustainability for all living organisms.

在生物学的研究中，尤其是在植物学和细胞生物学领域，术语stroma指的是某些器官和结构内的支持性组织或基质。例如，在叶绿体中，叶绿体是植物细胞中光合作用的场所，stroma是环绕类囊体膜的充满液体的空间。这个结构在合成葡萄糖的过程中起着至关重要的作用，为卡尔文循环提供必要的环境。stroma含有酶、核糖体和DNA，这些都是叶绿体内发生的过程所必需的。此外，stroma的概念不仅限于植物细胞。在动物组织中，stroma可以指提供器官结构支持的结缔组织。例如，在肝脏中，stroma由各种细胞和细胞外基质成分组成，帮助维持器官的形状和功能。这种支持框架对肝脏的实质组织（负责器官特定活动的功能性组织）的正常运作至关重要。理解stroma的重要性对于理解不同生物系统的运作至关重要。在植物中，stroma不仅促进光合作用，还通过使植物能够生产食物和能量来促进植物的整体健康。在动物中，stroma作为基础，支持各种器官的重要功能，确保它们能够高效地执行其角色。此外，研究stroma可以为各种疾病提供见解。例如，在癌症研究中，肿瘤stroma是一个关注点，因为它可以影响肿瘤的生长和转移。癌细胞与周围stroma之间的相互作用可能会影响肿瘤的行为和对治疗的反应。理解这些相互作用可以帮助研究人员开发更有效的疗法，针对不仅是癌细胞，还有帮助其生存的支持组织。总之，术语stroma涵盖了广泛的生物学背景，突显了它在植物和动物系统中的重要性。无论是在植物的叶绿体中，还是在动物的结缔组织中，stroma作为一个关键组成部分，支持和维持生命。通过探索stroma的各种角色，我们可以更深入地欣赏生物系统的复杂性以及不同细胞组分之间的相互联系。这种理解对于推动我们在农业、医学和环境科学等领域的知识至关重要，最终有助于所有生物体的健康和可持续发展。