respiratory tract

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Related to Respiratory tract diseases: respiratory illness, glycopyrrolate

tract

 [trakt]
a longitudinal assemblage of tissues or organs, especially a number of anatomic structures arranged in series and serving a common function, such as the gastrointestinal or urinary tract; also used in reference to a bundle (or fasciculus) of nerve fibers having a common origin, function, and termination within the central nervous system.
alimentary tract alimentary canal.
biliary tract the organs, ducts, and other structures that participate in secretion (the liver), storage (the gallbladder), and delivery (hepatic and bile ducts) of bile into the duodenum. See illustration.
Anatomy of the gallbladder and biliary tract. From Aspinall and Taylor-Robinson, 2002.
corticospinal t's two groups of nerve fibers (the anterior and lateral corticospinal tracts) that originate in the cerebral cortex and run through the spinal cord.
digestive tract alimentary canal.
dorsolateral tract a group of nerve fibers in the lateral funiculus of the spinal cord dorsal to the posterior column.
extrapyramidal tract extrapyramidal system.
gastrointestinal tract the stomach and intestine in continuity; see also digestive system.
iliotibial tract a thickened longitudinal band of fascia lata extending from the tensor muscle downward to the lateral condyle of the tibia.
intestinal tract see intestinal tract.
optic tract the nerve tract proceeding backward from the optic chiasm, around the cerebral peduncle, and dividing into a lateral and medial root, which end in the superior colliculus and lateral geniculate body, respectively.
pyramidal t's collections of motor nerve fibers arising in the brain and passing down through the spinal cord to motor cells in the anterior horns.
respiratory tract respiratory system.
urinary tract the organs and passageways concerned in the production and excretion of urine from the kidneys to the urinary meatus; see also urinary system.
uveal tract the vascular tunic of the eye, comprising the choroid, ciliary body, and iris.

res·pi·ra·to·ry tract

the air passages from the nose to the pulmonary alveoli, through the pharynx, larynx, trachea, and bronchi.

res·pi·ra·to·ry tract

(res'pir-ă-tōr-ē trakt)
The air passages from the nose to the pulmonary alveoli, through the pharynx, larynx, trachea, and bronchi.

Respiratory tract

The air passages from the nose to the air sacs of the lungs, including the pharynx, larynx, trachea, and bronchi.

res·pi·ra·to·ry tract

(res'pir-ă-tōr-ē trakt)
The air passages from the nose to the pulmonary alveoli.
References in periodicals archive ?
Respiratory tract diseases: After a careful inspection of our network, we find that a number of targets related to a large number of compounds that could possibly be developed to treat respiratory tract diseases, these include: Radix Isatidis, including Prostaglandin G/H synthase 1 (T2), peroxisome proliferator activated receptor gammareceptor (T13), arachidonate 5-lipoxygenase (T17), deltatype opioid receptor (T27),cGMP-inhibited 3',5'-cyclic phosphodiesterase A (T29), muscarinic acetylcholine receptor M2 (T37), beta-2 adrenergic receptor (T39), tumor necrosis factor (T44), mu-type opioid receptor (T49), mitogen-activated protein kinase 14 (T58), transcription factor AP-1 (T60) and E-selectin (T62).
Human metapneumovirus in a hematopoietic stem cell transplant recipient with fatal lower respiratory tract disease. Bone Marrow Transplant.
Herbal medicinal products play an important role in the treatment of respiratory tract diseases. The authors, both excellent experts in the field of phytotherapy, present a compendium, aimed as a practical guide for physicians, pharmacists, naturopaths and students, or anyone who intends to use herbal medicinal products.
Children with influenza who are less than 2 years old have a higher incidence of acute otitis media and lower respiratory tract disease than other young children, said Dr.
Doctors who visited the districts reported there was very little they could do to cure the illness, except to treat secondary infections such as pneumonia and other respiratory tract diseases using antibiotics.
The standards were changed after several epidemiological studies found associations between exposure to the particles and serious health consequences, including the exacerbation of asthma and other respiratory tract diseases, which in some cases were leading to premature deaths.
"If you look at all the respiratory tract diseases of humans," he says, "you find a good correlation between how much harm the disease organism causes, measured by the [host's] death rate, and how durable it is."
RSV may cause respiratory tract diseases such as infection of the airway, lungs and middle ear.
Since the signs and symptoms in viral respiratory tract diseases are not specific, laboratory is necessary to determine the etiological agent.
During the study period, 1,326 NPA of hospitalized children with febrile respiratory tract diseases were received for viral diagnostic evaluation.
EPA added new P[M.sub.2.5] standards on the basis of epidemiologic studies that related ambient PM concentrations to various health effects, including premature mortality, exacerbation of asthma, and other respiratory tract diseases, and decreased lung function (85).
Ms Mordaunt pledged an additional 21 million for immediate lifesaving aid in Somalia, which will include: Screening and treatment for 130,000 children at risk of life-threatening acute malnutrition, Providing nutrition support for over 300,000 vulnerable people including with cash support, Maintaining access to water and improved sanitation for over 155,000 people, Food security and livelihoods support to approximately 40,000 beneficiaries, Vaccinations for 12.5 million goats against respiratory tract diseases, benefitting over 2 million farmers, Ms Mordaunt met with Prime Minister Hassan Ali Khayre and members of his Government during the visit.

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