Flashcards in Embryology Deck (11):
THe respiratory system is developed as a respiratory diverticulum from what?
Upper end of foregut
From the upper end of foregut what develops?
Two lung buds
Lung buds become what?
Primary bronchi of each lung
The primary bronchi subdivide into what?
Secondary (lobar) bronchi
The secondary bronchi divide into what?
Teritary (segmental) bronchi
The teritary bronchi continue to divide and divide until what?
Terminal bronchioles are formed
Terminal bronchioles give rise to what?
What develop later from respiratory bronchioles in the 3rd trimester?
What is an uncommon congenital defect?
Esophageal atresia with trachea-esophageal fistula
What is the atresia part?
The upper end of esophagus is blind-ending