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相关概念视频

Anatomy of the Intestines01:23

Anatomy of the Intestines

71.3K
Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
71.3K
Histology of the Small Intestine01:27

Histology of the Small Intestine

487
The small intestine exhibits a unique histological structure that significantly enhances its function in digestion and nutrient absorption. These structures include circular folds, villi, and various specialized cells that collectively facilitate the digestion of food.
The intestinal lining features transverse folds called circular folds, each housing fingerlike projections known as intestinal villi. These villi are covered by a layer of simple columnar epithelium, also referred to as...
487
Large Intestine01:09

Large Intestine

454
The large intestine is divided into three main regions: the cecum, colon, and rectum. Extending from the ileocecal valve to the anus, it frames the small intestine on three sides.
The ileocecal sphincter, a mucous membrane fold, guards the opening from the ileum to the large intestine. This valve permits material from the small intestine to pass into the large intestine. Attached to the ileocecal valve is the cecum. This small pouch, approximately 6 cm long, has a twisted, coiled tube known as...
454
Renewal of Intestinal Stem Cells01:23

Renewal of Intestinal Stem Cells

2.5K
The intestinal epithelial lining rapidly renews every 4 to 5 days. The renewal is facilitated by intestinal stem cells (ISCs) located at the base of the crypt– a gland located at the bottom of each villus. ISCs divide asymmetrically to form new stem cells and progenitor daughter cells. The daughter cells are called transit-amplifying (TA) cells which move upwards along the crypt and either differentiate into absorptive cells– the enterocytes or secretory cells– including the...
2.5K
Histology of the Large Intestine01:26

Histology of the Large Intestine

486
The large intestine, a vital component of the gastrointestinal tract, is structured with four main layers: the mucosa, submucosa, muscularis, and serosa. Each layer performs a distinct role in facilitating the smooth functioning of the large intestine.
The innermost mucosa layer comprises simple columnar epithelium, lamina propria, and muscularis mucosae. This layer is primarily populated with absorptive cells, tasked with water absorption, and goblet cells, responsible for secreting mucus to...
486
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

116
Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
116

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相关实验视频

Updated: Jun 4, 2025

Ileectomy-induced Bile Overaccumulation in Mouse Intestine
06:55

Ileectomy-induced Bile Overaccumulation in Mouse Intestine

Published on: August 21, 2017

9.4K

极度扩张的肠道.

Jin Li1, Xiaoshan Huang1, Jiayu Lin1

  • 1Department of Gastroenterology, The Eighth Affiliated Hospital Sun Yat-sen University Shenzhen China.

JGH open : an open access journal of gastroenterology and hepatology
|December 19, 2024
PubMed
概括
此摘要是机器生成的。

一位老年妇女的严重便秘被诊断为西格体卷发症. 紧急手术对她的生存至关重要,强调了对这种情况的及时干预的重要性.

关键词:
便秘 便秘 便秘 便秘西格莫伊德扭转扭转.手术 手术 手术 手术 手术 手术 手术

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A Mouse Model of Intestinal Partial Obstruction
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A Mouse Model of Intestinal Partial Obstruction

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Catheterization of Intestinal Loops in Ruminants
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Catheterization of Intestinal Loops in Ruminants

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相关实验视频

Last Updated: Jun 4, 2025

Ileectomy-induced Bile Overaccumulation in Mouse Intestine
06:55

Ileectomy-induced Bile Overaccumulation in Mouse Intestine

Published on: August 21, 2017

9.4K
A Mouse Model of Intestinal Partial Obstruction
07:33

A Mouse Model of Intestinal Partial Obstruction

Published on: March 5, 2018

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Catheterization of Intestinal Loops in Ruminants
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Catheterization of Intestinal Loops in Ruminants

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科学领域:

  • 胃肠病学 胃肠病学
  • 手术瘤学手术瘤学

背景情况:

  • 西格体卷发症是一种罕见但严重的疾病,导致肠道阻塞.
  • 患有严重便秘的老年患者有风险.

研究的目的:

  • 报告一位老年妇女患有西格状卷积病例.
  • 强调及时进行手术干预的必要性.

主要方法:

  • 严重便秘的临床诊断.
  • 图像学研究证实了西格体卷发症.
  • 紧急手术扭曲和切除. 紧急手术扭曲和切除.

主要成果:

  • 成功地通过手术纠正了西格体卷积.
  • 患者的生命被拯救了.
  • 便秘症状的解决. 便秘症状的解决.

结论:

  • 西格体卷发症需要紧急的外科治疗.
  • 及时诊断和干预对于老年人患者的治疗结果至关重要.