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相关概念视频

Hormonal Regulation01:40

Hormonal Regulation

Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
Intestinal Phase of Digestion01:29

Intestinal Phase of Digestion

The intestinal phase of digestion is the third and final stage of the digestive process, occurring after the cephalic and gastric phases. It begins when chyme, a partially digested mixture of food and digestive enzymes, enters the small intestine from the stomach. This phase is crucial for nutrient absorption and involves complex hormonal and enzymatic interactions.
The arrival of the chyme in the small intestine distends the duodenum, which triggers the enterogastric reflex. This distension...
Anatomy of the Gastrointestinal System01:26

Anatomy of the Gastrointestinal System

The human digestive system is an intricate and essential network for nutrient absorption and waste elimination. It encompasses the gastrointestinal (GI) tract and several accessory organs.
Here's a detailed walkthrough of this complex system:
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Serum Laboratory Studies, Stool Test, Breath Test01:30

Serum Laboratory Studies, Stool Test, Breath Test

Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...

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相关实验视频

Updated: Jun 29, 2026

Isolating and Using Sections of Bovine Mesenteric Artery and Vein as a Bioassay to Test for Vasoactivity in the Small Intestine
07:32

Isolating and Using Sections of Bovine Mesenteric Artery and Vein as a Bioassay to Test for Vasoactivity in the Small Intestine

Published on: October 7, 2014

解释甲状腺功能测试的解释

C M Dayan1

  • 1University Department of Medicine, Bristol Royal Infirmary, UK. colin.dayan@bris.ac.uk

Lancet (London, England)
|September 18, 2001
PubMed
概括
此摘要是机器生成的。

解释甲状腺功能的测试是更简单的敏感测试. 本综述将结果分类为六种模式,以帮助诊断甲状腺激素,自由T3和自由T4测量.

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Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
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Mechanisms Underlying Gut Hormone Secretion Using the Isolated Perfused Rat Small Intestine
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相关实验视频

Last Updated: Jun 29, 2026

Isolating and Using Sections of Bovine Mesenteric Artery and Vein as a Bioassay to Test for Vasoactivity in the Small Intestine
07:32

Isolating and Using Sections of Bovine Mesenteric Artery and Vein as a Bioassay to Test for Vasoactivity in the Small Intestine

Published on: October 7, 2014

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
08:42

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport

Published on: November 27, 2016

Mechanisms Underlying Gut Hormone Secretion Using the Isolated Perfused Rat Small Intestine
07:00

Mechanisms Underlying Gut Hormone Secretion Using the Isolated Perfused Rat Small Intestine

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科学领域:

  • 内分泌学 在内分泌学.
  • 临床化学 临床化学

背景情况:

  • 敏感的甲状腺激素 (TSH) 测定和自由甲状腺激素测量已经改善了甲状腺功能测试 (TFT) 的解释.
  • 尽管取得了进展,但在评估甲状腺状况方面,诊断挑战和陷仍然存在.

研究的目的:

  • 审查和分类甲状腺功能测试结果的常见模式.
  • 用TSH,自由T3和自由T4水平为诊断甲状腺疾病提供一个框架.

主要方法:

  • 对TFT的分类结果分为六种不同的模式.
  • 测定结果与临床信息和补充测试的整合.

主要成果:

  • 提出的六个模式涵盖了广泛的TFT结果.
  • 在大多数情况下,将模式识别与临床数据和进一步测试相结合,可以进行诊断.

结论:

  • 使用TSH,自由T3和自由T4测定以及模式识别的系统方法简化了复杂的甲状腺功能测试解释.
  • 这一策略提高了对广泛的甲状腺疾病的诊断准确度.