FACTOID # 10: The total number of state executions in 2005 was 60: 19 in Texas and 41 elsewhere. The racial split was 19 Black and 41 White.
 
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Encyclopedia > Bronchial

The bronchioles are the first airway branches that no longer contain cartilage. They are branches of the bronchi, and are smaller than one millimetre in diameter.


There are no glands or cartilage in any of the bronchioles, and the epithelial cells become more cuboidal in shape.


Bronchioles divide until they become terminal bronchioles. After these the respiratory bronchioles have sporadic alveoli on their walls. Eventually the respiratory tract branches into alveolar ducts, then alveolar sacs.


Inflammation of the bronchioles is termed bronchiolitis. Diseases of the bronchioles include bronchiolitis obliterans, respiratory syncytial virus infection, and influenza.




  Results from FactBites:
 
Bronchus - Wikipedia, the free encyclopedia (303 words)
There is hyaline cartilage present in the bronchi, present as irregular rings in the larger bronchi (and not as regular as in the trachea), and as small plates and islands in the smaller bronchi.
Bronchitis is viral or bacterial infection of the bronchi.
Asthma is hyperreactivity of the bronchi with an inflammatory component, often in response to allergens.
XI. Splanchnology. 1b. The Trachea and Bronchi. Gray, Henry. 1918. Anatomy of the Human Body. (1024 words)
961) is a cartilaginous and membranous tube, extending from the lower part of the larynx, on a level with the sixth cervical vertebra, to the upper border of the fifth thoracic vertebra, where it divides into the two bronchi, one for each lung.
The first cartilage is broader than the rest, and often divided at one end; it is connected by the cricotracheal ligament with the lower border of the cricoid cartilage, with which, or with the succeeding cartilage, it is sometimes blended.
It consists of areolar and lymphoid tissue, and presents a well-marked basement membrane, supporting a stratified epithelium, the surface layer of which is columnar and ciliated, while the deeper layers are composed of oval or rounded cells.
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