The respiratory tract is the subdivision of the respiratory system involved with the process of conducting air to the alveoli for the purposes of gas...

Respiratory tract infections (RTIs) are infectious diseases involving the lower or upper respiratory tract. An infection of this type usually is further...

An upper respiratory tract infection (URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose...

Lower respiratory tract infection (LRTI) is a term often used as a synonym for pneumonia but can also be applied to other types of infection including...

orthopneumovirus, is a contagious virus that causes infections of the respiratory tract. It is a negative-sense, single-stranded RNA virus. Its name is derived...

respiratory tract including the trachea, bronchi, bronchioles, alveoli, pleurae, pleural cavity, the nerves and muscles of respiration. Respiratory diseases...

approximately 1.3 kilograms (2.9 pounds). The lungs are part of the lower respiratory tract that begins at the trachea and branches into the bronchi and bronchioles...

Garewal H (February 2008). "Field defects in progression to gastrointestinal tract cancers". Cancer Lett. 260 (1–2): 1–10. doi:10.1016/j.canlet.2007.11.027...

Respiratory syncytial virus vaccine is indicated for active immunization for the prevention of lower respiratory tract disease caused by respiratory syncytial...

continuously in the respiratory tract. Mucociliary action carries it down from the nasal passages and up from the rest of the tract to the pharynx, with...

lower respiratory tract. They include the terminal bronchioles, and finally the respiratory bronchioles that mark the start of the respiratory zone delivering...

cold is a viral infectious disease of the upper respiratory tract that primarily affects the respiratory mucosa of the nose, throat, sinuses, and larynx...

Respiratory epithelium, or airway epithelium, is a type of ciliated columnar epithelium found lining most of the respiratory tract as respiratory mucosa...

ultrasonography is most commonly used in the upper digestive tract and in the respiratory system. The procedure is performed by gastroenterologists or...

insufflation of e.g. decongestant nasal sprays to be taken up along the respiratory tract. Such substances are also called inhalational, e.g. inhalational anesthetics...

cause diseases in mammals and birds. In humans and birds, they cause respiratory tract infections that can range from mild to lethal. Mild illnesses in humans...

oropharynx or gastrointestinal tract, into the larynx (voice box) and lower respiratory tract, the portions of the respiratory system from the trachea (windpipe)...

Symptomatic infections are usually mild and limited to the upper respiratory tract, but progression to pneumonia is relatively common. Pneumonia may...

anaerobius and the highest recovery rate in obstetrical/gynecological and respiratory tract infections and wounds. When anaerobic and facultative cocci were recovered...

specialty that deals with diseases involving the respiratory tract. It is also known as respirology, respiratory medicine, or chest medicine in some countries...

elsewhere is common, especially the mouth, gastrointestinal tract and respiratory tract. Growth can range from very slow to explosively fast, and is...

as (proctoscopy) The respiratory tract The nose (rhinoscopy) The upper respiratory tract (laryngoscopy) The lower respiratory tract (bronchoscopy) The ear...

cell. Mycoplasma pneumoniae parasitizes the respiratory tract epithelium of humans. Adherence to the respiratory epithelial cells is thought to occur via...

usually as a result of a viral illness affecting other parts of the respiratory tract, such as the larynx and bronchi, called croup, that can result in...

certain types of infectious diarrhea, respiratory tract infections, skin infections, typhoid fever, and urinary tract infections, among others. For some...

Other potential causes of obstruction include tumors of the upper respiratory tract (oral cavity, pharynx, larynx), bodily fluids (blood, mucus, vomit)...

it was the second most common cause (after respiratory syncytial virus (RSV)) of acute respiratory tract illness in otherwise-healthy children under...

(98.6 °F), hence the virus's tendency to infect the upper respiratory tract, where respiratory airflow is in continual contact with the (colder) extrasomatic...

illness: temperature of >38 °C (100 °F) plus indications of lower respiratory tract infection (cough, dyspnea) Severe illness: ≥1 of radiographic evidence...

upper respiratory tract disease, cutaneous dyskeratosis, herpes virus, shell necrosis, urolithiasis (bladder stones), and parasites. Upper respiratory tract...