Swine Upper Airways
Swine Upper Airways - Related Videos
05:31
Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
0 Views •
Cited by 4 •
2017
This protocol describes a noninvasive technique for the sampling of undisturbed mucosal lining fluid from the upper airways. It can be used to perform the quantification of in vivo levels of protein mediators, such as cytokines and chemokines, in subjects of all ages.
04:30
Endotracheal Intubation Using a Flexible Intubation Endoscope as a Standardized Model for Safe Airway Management in Swine
0 Views •
Cited by 1 •
2022
The use of pigs in research has increased in recent years. Nevertheless, pigs are characterized by difficult airway anatomy. By demonstrating how to perform endoscopically guided endotracheal intubation, the present protocol aims to further increase laboratory animals' safety to avoid animal suffering and unnecessary death.
05:59
Nasal Wipes for Influenza A Virus Detection and Isolation from Swine
0 Views •
Cited by 19 •
2015
The authors present a protocol to collect swine nasal wipes to detect and isolate influenza A viruses.
08:22
A Chronic Cardiac Ischemia Model in Swine Using an Ameroid Constrictor
0 Views •
Cited by 14 •
2017
The purpose of this protocol is to demonstrate the placement of a delayed constricting device (an ameroid constrictor) around a coronary artery in a swine model. This device creates an ischemic area of the heart that is useful for studying new diagnostic imaging techniques and new methods of treatment.
09:28
COVID-19 / Coronavirus Outbreak: Protecting The Airway - Endotracheal Intubation
0 Views •
2020
In pandemic times, medical staff is becoming a key resource in fighting the infection. To achieve the best medical care, relevant techniques and procedures have to be taught to medical staff to reduce the risk of infection. COVID patients often need mechanical ventilation due to progredient respiratory insufficiency, so an endotracheal intubation becomes a critical procedure in managing these patients. This procedure has an increased risk of infection due to aerosol formation and working with...
FAQs
Air conditioning in the nasal passages, sinuses, pharynx, and larynx creates a staged barrier before inhaled material reaches the lower respiratory tract. The mucosal epithelium first filters particles, then contributes to warming and humidification of the air. This conditioning helps explain why upper-airway changes can influence what enters deeper respiratory tissues and why these regions matter in respiratory disease assessment.
Mucus and cilia work together as a clearance system: mucus traps inhaled particles and pathogens, while cilia help remove that material from the mucosal surface. Local immune defenses add another layer of protection at the entry pathway. Examining disruption of this coordinated activity can help researchers interpret how respiratory threats are retained or cleared in studies of swine health.
Their position at the respiratory entrance makes the upper airways important sites for studying pathogen entry and transmission. The nasal passages, sinuses, pharynx, and larynx encounter inhaled material before it moves into the lower tract, while mucus, cilia, and local immune defenses influence its persistence and removal. This combination connects anatomy with disease development and respiratory sampling interpretation.
Nasal sampling of swine upper airways can provide material for investigating respiratory pathogens and disease processes, particularly at the entry pathway. Interpretation should be linked to the anatomy sampled, since the nasal passages, sinuses, pharynx, and larynx are distinct regions with mucosal defenses. This context helps connect a sample with upper-airway involvement in conditions such as rhinitis or sinusitis.
The upper airway is the first anatomical region encountered by an inhaled aerosol, so its filtering, warming, humidifying, mucus, cilia, and immune defenses are relevant to how that material is handled before reaching the lower respiratory tract. Studying these structures therefore helps place aerosol delivery in the context of normal respiratory barriers and airway conditioning.
Swine upper airways support comparative medicine by providing a setting for examining respiratory anatomy, mucosal defenses, pathogen entry, and airway conditioning in pigs. Research involving these structures can connect veterinary observations with questions about human respiratory disease, while retaining attention to the nasal passages, sinuses, pharynx, and larynx as important sites of respiratory investigation.
Assessment of the swine upper airways contributes to veterinary diagnosis and management of rhinitis and sinusitis. These structures provide a localized context for examining mucosal defenses, particle and pathogen handling, and conditions affecting the respiratory entry pathway. This focus can complement evaluation of the lower respiratory tract by clarifying upper-airway involvement in broader respiratory problems.