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相关概念视频

The Thyroid Gland01:23

The Thyroid Gland

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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
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Primary Lymphoid Organs01:16

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Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
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Classification of Epithelial Tissues: Overview01:22

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Epithelial tissues are classified according to the shape of the cells and the number of cell layers formed. Cell shapes can be squamous (flattened and thin), cuboidal (square-like, as wide as it is tall), or columnar (rectangular, taller than it is wide). Additionally, the nucleus shape helps identify the type of epithelial cells. Squamous cells have flattened disc-shaped nuclei, cuboidal cells have spherical nuclei, and columnar cells have elongated nuclei.
Based on the number of cell layers,...
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Tumor Immunotherapy01:27

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

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The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
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Synthesis and Regulation of Thyroid Hormones01:20

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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
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相关实验视频

Updated: Jul 15, 2025

An Orthotopic Mouse Model of Anaplastic Thyroid Carcinoma
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胸腺瘤:一个概述

Doaa Alqaidy1

  • 1Department of Pathology, King Abdulaziz University, Jeddah 21589, Saudi Arabia.

Diagnostics (Basel, Switzerland)
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PubMed
概括
此摘要是机器生成的。

胸腺瘤,常见的前端中瘤,在分类和分期时存在诊断挑战. 本综述探讨了这些罕见瘤的组织病理学评估,临床特征和当前的管理策略.

关键词:
这是分类分类的分类.在中和中.阶段化 阶段化蒂莫莫马马 (thymomaoma) 是一种疾病.胸腺 (thymus) 是一个神经系统.

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科学领域:

  • 在瘤学瘤学.
  • 病理学 病理学 病理学
  • 胸部外科手术 胸部外科手术

背景情况:

  • 胸腺瘤是最常见的中上皮瘤,通常在前中中发现.
  • 它们的稀有性导致病理学家之间关于命名,分类和分期的持续辩论.
  • 组织学亚型与诊断时分期的临床意义仍然是一个争议点.

研究的目的:

  • 复习对胸腺瘤的组织病理学评估和分期的挑战.
  • 讨论胸腺瘤的临床特征.
  • 为提供当前对胸腺瘤的管理策略的概述.

主要方法:

  • 审查现有的关于胸腺瘤分类,分期和临床行为的文献.
  • 讨论外科病理学家面临的诊断挑战.
  • 综合当前关于胸腺瘤管理的知识.

主要成果:

  • 胸腺瘤的组织病理学分类和分期存在重大诊断挑战.
  • 关于组织学亚型与临床结果分期的相对重要性仍存在争论.
  • 了解这些挑战对于准确的诊断和治疗计划至关重要.

结论:

  • 准确的组织病理学评估和分期对于有效的胸腺瘤管理至关重要.
  • 需要进一步的研究和共识来完善胸腺瘤分类和分期系统.
  • 综合病理学,临床数据和管理策略的综合方法对于改善患者的治疗结果至关重要.