Histo Embryo Flashcards
1
Q
Embryonic stage: when and what arises
A
4-7
Lung buds; then main pulmonary arteries, trachea and main bronchi
2
Q
Pseudoglandular stage: when and what arises
A
5-17
all conducting airways and accompanying blood vessels
BRONCHI BRONCHIOLES TERMINAL BRONCHIOLES
3
Q
canalicular stage: when and what arises
A
16-27
Repiratory airways form surfactant begins to appear in late stages 23
respiratory bronchi/ alveolar ducts
4
Q
Sacular alveolar stage: when and what arises
A
28+
sacuales and alveolie appear
5
Q
acinus 16-28+
A
just know
