Oropharynx
Oropharynx - Related Videos
03:06
Preparation of a Murine Oropharyngeal Aspiration Model to Establish Bacterial Lung Infections
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2026
Source: Nielsen, T. B., et al., Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia. J. Vis. Exp. (2018)This video demonstrates the procedure of delivering bacteria through the oropharynx into the lungs of an anesthetized mouse to induce lung infection and trigger an immune response.
10:39
Murine Left Anterior Descending (LAD) Coronary Artery Ligation: An Improved and Simplified Model for Myocardial Infarction
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Cited by 52 •
2017
We provide a reliable method for left anterior descending artery (LAD) ligation in a mouse model. This method is comparatively less invasive than other methods, involving endotracheal intubation, a left-sided thoracotomy approach, and thoracentesis. This method can be used as a model for both acute and chronic myocardial infarction (MI).
04:21
Protein Transfection of Mouse Lung
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Cited by 1 •
2013
Transgenic mice or viral vectors have been used to increase protein expression within the lung. However, these techniques are time-consuming, technically challenging and have off-target effects that can confound results. Our protein transfection protocol uses a lipid based transfection reagent and an ultrafine microsprayer to uniformly deliver active protein to lung cells.
04:46
A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation
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2011
We describe a technique to maintain oxygenation and ventilation using an endotracheal tube inserted nasally to the level of the naso-pharynx while sealing the mouth and nares for successful positive pressure ventilation.
07:54
Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
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Cited by 16 •
2016
The aim of this study was to establish a standardized protocol for sleep endoscopy to differentiate obstruction patterns in obstructive sleep apnea (OSA). Target-controlled infusion (TCI) of the sedative was combined with real-time monitoring of the depth of sedation using bispectral analysis.
FAQs
During swallowing, coordinated contractions of the oropharyngeal muscles propel food and liquid downward. Protective reflexes act at the same time to reduce the chance that material enters the airway. Studying this coordination helps explain how normal swallowing moves material efficiently while maintaining airway protection, and why disruption of either movement or reflex control can contribute to swallowing disorders.
These structures provide key anatomical landmarks for studying the region and its functions. The tongue base and posterior pharyngeal wall are associated with the passage through which swallowed material moves, while the palatine tonsils are relevant to investigations of immune defense and infection. Examining their relationships helps connect local anatomy with broader physiological processes.
The same region participates in two different pathways. During swallowing, muscle activity moves food and liquids while protective reflexes help shield the airway. During breathing, the passage conducts air toward the larynx. This functional overlap makes coordinated control important and provides a biological basis for studying how disturbances may affect swallowing, respiration, or both.
A useful anatomical assessment considers the region’s position behind the oral cavity, its extent from the soft palate to the hyoid bone, and its major included structures. Relating these landmarks to muscle contractions, airway protection, and air conduction helps biology students interpret how regional anatomy supports digestion, respiration, and immune-related study.
Its location and shared functions make the oropharynx relevant to conditions involving movement of swallowed material or passage of air. Research can examine how altered muscle coordination, protective responses, or regional anatomy affects swallowing safety and airway patency. The same anatomical context supports investigation of sleep-related airway obstruction without treating breathing and swallowing as identical processes.
The region contains structures such as the palatine tonsils and forms part of the pathway exposed to swallowed material and incoming air. These features make it relevant to studying immune defense and infections alongside respiratory and digestive biology. Linking anatomy with these functions helps researchers interpret why local changes may have significance across several physiological systems.