saber-sheath trachea on:
[Wikipedia]
[Google]
[Amazon]
A saber-sheath trachea also known as scabbard trachea is a
A saber-sheath trachea also known as scabbard trachea is a trachea
The trachea, also known as the windpipe, is a cartilaginous tube that connects the larynx to the bronchi of the lungs, allowing the passage of air, and so is present in almost all air-breathing animals with lungs. The trachea extends from the la ...
that has an abnormal shape. The posterior area of the trachea increases in diameter while the lateral measurement decreases.
Causes
It can occur inchronic obstructive pulmonary disease
Chronic obstructive pulmonary disease (COPD) is a type of progressive lung disease characterized by long-term respiratory symptoms and airflow limitation. The main symptoms include shortness of breath and a cough, which may or may not produce m ...
or prolonged bilateral compression on it as in goitre
A goitre, or goiter, is a swelling in the neck resulting from an enlarged thyroid gland. A goitre can be associated with a thyroid that is not functioning properly.
Worldwide, over 90% of goitre cases are caused by iodine deficiency. The term is ...
.
References
* Mosby's Medical, Nursing, & Allied Health Dictionary. Edition 5, 1998 p7B48. Respiratory diseases {{respiratory-disease-stub