Upper Gi Tract
Upper Gi Tract - Related Videos
01:29
Anatomy of Respiratory System I: Upper Respiratory Tract
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2025
The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features. Nose and nasal cavity The nose and nasal cavity represent the main external openings of the respiratory tract.
06:39
Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
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Cited by 4 •
2019
Here, we present a protocol to increase the surgical field of view and reduce the difficulty of total transperitoneal laparoscopic nephroureterectomy surgery by precutting the umbilical ligament before treating the terminal ureter.
04:49
Enhancing Upper Limb Function and Motor Skills Post-Stroke Through an Upper Limb Rehabilitation Robot
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Cited by 3 •
2024
This protocol describes an upper limb rehabilitation robot that provides intelligent feedback through four modes. These modes enhance upper limb function and flexibility, thereby improving patients' quality of life.
04:46
Isolation of Lymphocytes from Mouse Genital Tract Mucosa
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Cited by 10 •
2012
An efficient way to isolate lymphocytes from mouse genital tract is described. This method takes advantage of enzyme digestion and Percoll gradient separation to allow efficient isolation. This technique is also adaptable to for use in other...
03:47
Methylene Blue Dye Injection in Mouse Embryonic Urinary Tract: A Method To Assess the Congenital Obstruction in the Urinary Tract
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2025
In this video, we administer methylene blue dye injection into the urinary tract of a perinatal embryonic mouse to assess congenital anomalies related to urinary tract obstruction.
FAQs
Gastric acid and pepsin begin chemical digestion in the stomach, while mucus helps shield the mucosa from these potentially damaging substances. This balance allows the stomach to process swallowed material without losing its protective barrier. Clinically, disruption of digestion or mucosal protection can be relevant when evaluating inflammatory conditions, ulcers, or related upper GI symptoms.
Peristalsis provides the coordinated forward movement needed to carry swallowed material through the esophagus, stomach, and onward into the duodenum. If passage is disrupted, clinicians may consider obstruction among the possible problems. Symptoms and findings related to backward flow are also relevant when assessing gastroesophageal reflux, linking transport function to common clinical disorders.
Gastric acid and pepsin act in the stomach to support the early chemical breakdown of food, whereas bile or pancreatic secretions contribute after material reaches the duodenum. This division of labor helps clinicians connect symptoms or disease findings with different regions of the upper GI tract and with processes affecting digestion or mucosal health.
Assessment begins with symptom review and may combine imaging, laboratory tests, and upper gastrointestinal endoscopy. Using more than one approach allows clinicians to examine symptoms alongside structural or laboratory findings. This evaluation can support diagnosis and management of reflux, ulcers, inflammation, bleeding, obstruction, and tumors, depending on the clinical concern.
Upper GI endoscopy allows direct evaluation of the examined region and can do more than document mucosal abnormalities. During the procedure, it may guide a biopsy for further assessment or support treatment. This combination of visualization and intervention makes endoscopy particularly useful when clinicians need diagnostic information and management within the same evaluation.
Imaging and laboratory tests may complement symptom review and endoscopy when clinicians evaluate upper GI complaints. Their inclusion reflects the need to assess a suspected disorder through more than one type of evidence rather than relying on symptoms alone. These tools may contribute to evaluating bleeding, obstruction, inflammation, ulcers, or tumors within the broader clinical workup.