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Technique of Conjunctival Biopsy and Direct Immunofluorescence for Diagnosing Mucous Membrane Pemphigoid

Here, we present a protocol for harvesting and processing conjunctival biopsy to identify mucous membrane...
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Esophageal Perforation-II: Clinical Manifestations and Management01:28

Esophageal Perforation-II: Clinical Manifestations and Management

Esophageal perforations manifest in various clinical forms, influenced by factors such as the perforation's cause and location (cervical, intrathoracic, or intra-abdominal), the extent of contamination, and potential injury to adjacent mediastinal structures. The timing between the perforation occurrence and treatment initiation also affects the clinical presentation.
Clinical Manifestations:
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Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring06:46

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring

Laryngopharyngeal pH monitoring has been specifically designed to measure acid exposure above the upper esophageal sphincter and complements diagnostic evaluation in patients that present with mainly extraesophageal reflux symptoms. Patients with suspected laryngopharyngeal reflux (LPR) were evaluated using distal esophageal and laryngopharyngeal pH testing...
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Esophageal 3D Raft Culture Model: An In Vitro Culture Technique to Generate Human Esophageal Mucosa Model04:43

Esophageal 3D Raft Culture Model: An In Vitro Culture Technique to Generate Human Esophageal Mucosa Model

This video describes an in vitro culture technique to generate human organotypic esophageal constructs by co-culturing primary human esophageal fibroblast and squamous epithelial cells within a decellularized porcine scaffold. These 3D culture models mimic the function and physiology of their in vivo tissue...
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Tissue-Engineered Graft for Circumferential Esophageal Reconstruction in Rats08:56

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Esophageal reconstruction is a challenging procedure, and development of a tissue-engineered esophagus that enables regeneration of esophageal mucosa and muscle and that can be implanted as an artificial graft is necessary. Here, we present our protocol to generate an artificial esophagus, including scaffold manufacturing, bioreactor cultivation, and various surgical...
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Resistors In Series01:10

Resistors In Series

A resistor is an ohmic device that limits the flow of charge in a circuit. Most circuits have more than one resistor. If several resistors are connected together and connected to a battery, the current supplied by the battery depends on the equivalent resistance of the circuit. The equivalent resistance of a combination of resistors depends on both their individual values and how they are connected. The simplest combination of resistors is the series combination. 
In a series circuit, the...
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