Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
Ventral outpocketing of foregut that forms lining of trachea, bronchus, and lungs
|
respiratory diverticulum
|
|
|
What forms to separate the diverticulum from the foregut?
|
tracheoesophageal ridges
|
|
|
What forms at the distal end of the diverticulum when it first splits?
|
2 lung buds
|
|
|
What fails to form properly in esophageal atresia (abnormal termination of passage) and/or fistula?
|
tracheoesophageal septum (separating the 2)
|
|
|
What part of the respiratory tree is formed from endoderm?
|
Lining epithelium
|
|
|
What part of respiratory tree is formed from splanchnic mesoderm?
|
everything but lining
|
|
|
How many branching generations?
|
23 generations
|
|
|
During what month do cuboidal epithelium flatten? What cells begin secreting surfactant?
|
cuboidal epithelium in the 7th month (also, vasculature forms at this time); type II alveolar cells secrete surfactant
|
