All of the following are true concerning development of the bronchi except:

waelhammad

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2022-11-09

lung buds first form at the caudal end of the laryngotracheal tube
during the 5th week of development, the lung buds grow laterally into the primitive pleural cavities (pericardioperitoneal canals)
third generation bronchi (30 bronchi) supply bronchopulmonary segments
the pulmonary cartilage, smooth muscle, and connective tissue are derived from lung bud endoderm
by 24 weeks of development, respiratory bronchioles are present

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waelhammad

2022-11-09

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D. the pulmonary cartilage, smooth muscle, and connective tissue are derived from lung bud endoderm

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