Trachea
The cartilaginous and membranous tube descending from the larynx and branching into the right and left main bronchi.
Tracheal Neoplasms
Tracheal neoplasms are abnormal growths or tumors that develop within the trachea, which can be benign or malignant, and have the potential to obstruct the airway and impair respiratory function.
Tracheal Diseases
Tracheal diseases refer to a range of medical conditions that affect the structure, function, and integrity of the trachea, including inflammation, infection, trauma, tumors, and congenital abnormalities, which can lead to symptoms such as cough, wheezing, difficulty breathing, and stridor.
Tracheal Stenosis
Tracheal stenosis is a medical condition characterized by an abnormal narrowing or constriction of the lumen of the trachea, which can lead to respiratory distress and other related symptoms.
Guinea Pigs
Muscle, Smooth
Unstriated and unstriped muscle, one of the muscles of the internal organs, blood vessels, hair follicles, etc. Contractile elements are elongated, usually spindle-shaped cells with centrally located nuclei. Smooth muscle fibers are bound together into sheets or bundles by reticular fibers and frequently elastic nets are also abundant. (From Stedman, 25th ed)