2017 Group Project 5
From Embryology
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Lungs
An introduction to the lungs...
Developmental origin overview
The Lung Development Stages
1. Embryonic (weeks 4-5) 2. Pseudoglandular (weeks 6-16) 3. Canalicular (weeks 16-25) 4. Saccular (weeks 24-40) 5. Alveolar (week 36-8 years)
The Respiratory Zone
- The terminal bronchioles - Alveolar ducts - Alveoli