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相关概念视频

Gross Anatomy of the Liver01:17

Gross Anatomy of the Liver

383
The liver, the largest gland within the human body, is a firm and reddish-brown organ. This wedge-shaped structure weighs approximately 1.5 kg and occupies a significant portion of the right hypochondriac and epigastric regions. It extends more to the right of the body's midline than to the left.
Located under the diaphragm, the liver is almost entirely ensconced within the rib cage, providing it with substantial protection. Except for the superior most bare area, the liver's surface is...
383
Liver Histology01:27

Liver Histology

661
The microscopic anatomy of the liver is a complex and intricate system that comprises numerous structural units known as liver lobules, each of which is comparable in size to a sesame seed. These hexagonal structures consist of plates of liver cells or hepatocytes, which are characterized by their versatility and abundance of cellular apparatus like rough and smooth ER, Golgi apparatus, peroxisomes, and mitochondria.
Hepatocytes perform a variety of essential functions. They secrete...
661
Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

496
Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not...
496

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相关实验视频

Updated: Jun 17, 2025

Mass Isolation and In Vitro Cultivation of Intramolluscan Stages of the Human Blood Fluke Schistosoma Mansoni
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在整个人类进化过程中肝感染

Tianyi Wang1, Piers D Mitchell1

  • 1Department of Archaeology, University of Cambridge, Cambridge, UK.

Gastro hep advances
|August 12, 2024
PubMed
概括
此摘要是机器生成的。

人类肝炎是动物性寄生虫. 它们的传播和人类感染风险是数百万年来由于人与动物的相互作用和环境变化而演变的.

关键词:
克隆诺基斯 (Clonorchis) 是一个类动物.迪克罗科埃利姆 (Dicrocoelium) 是一种有机物.带 (Fasciolae) 是一个带.这就是Opisthorchischis.古病理学 古病理学

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A New Clarification Method to Visualize Biliary Degeneration During Liver Metamorphosis in Sea Lamprey Petromyzon marinus
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Quantifying Liver Size in Larval Zebrafish Using Brightfield Microscopy
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相关实验视频

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A New Clarification Method to Visualize Biliary Degeneration During Liver Metamorphosis in Sea Lamprey Petromyzon marinus
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科学领域:

  • 寄生虫学的寄生虫学
  • 进化生物学 进化生物学
  • 考古学的考古学

背景情况:

  • 人类肝炎是与动物共享的动物性寄生虫.
  • 数百万年来,人与环境和人与动物的相互作用影响了感染风险.

研究的目的:

  • 描述感染人类的肝物种及其健康后果.
  • 为了估计人类祖先暴露于肝炎的时间和地点.
  • 为了研究主要的肝物种的进化起源和传播.

主要方法:

  • 分析飞禽类的特有性,以估计历史暴露.
  • 确定进化起源的DNA证据.
  • 考古证据以确定历史流行.

主要成果:

  • 肝病是从野生动物 (狩猎采集者) 和后来的农场动物 (农业) 传播的.
  • 人类活动和移民已显著影响到全球流行性肝炎的分布.
  • 一些巧合物种在全球范围内传播,而另一些物种则受到中间宿主的地理限制.

结论:

  • 人与动物的相互作用和环境变化在历史上塑造了肝炎感染.
  • 人类活动,包括移民和农业,是目前肝炎分布的关键驱动因素.
  • 了解肝炎的进化历史和传播对于公共卫生至关重要.