Answers:
1. Laryngotracheal groove
2. Endoderm
3. Splanchnic mesoderm
4. Tracheoesophageal septum
5. Superior laryngeal nerve
6. Recurrent laryngeal nerve
7. Arytenoid swelling
8. Visceral pleura
9. Bronchopulmonary segment
10. Right bronchus
11. Parietal pleura
12. Visceral pleura
13. Epiglottal swelling
14. Arytenoid swelling
15. Laryngeal orifice
16 Canalicular period
17. Alveolar period
18. Type II pneumocytes
19. Canalicular period
20. Pseudoglandular period
21. Type I pneumocytes
22. Laryngeal atresia
23. Canalicular period
24. Atresia with distal fistula
25. Respiratory distress syndrome
1. Laryngotracheal groove
2. Endoderm
3. Splanchnic mesoderm
4. Tracheoesophageal septum
5. Superior laryngeal nerve
6. Recurrent laryngeal nerve
7. Arytenoid swelling
8. Visceral pleura
9. Bronchopulmonary segment
10. Right bronchus
11. Parietal pleura
12. Visceral pleura
13. Epiglottal swelling
14. Arytenoid swelling
15. Laryngeal orifice
16 Canalicular period
17. Alveolar period
18. Type II pneumocytes
19. Canalicular period
20. Pseudoglandular period
21. Type I pneumocytes
22. Laryngeal atresia
23. Canalicular period
24. Atresia with distal fistula
25. Respiratory distress syndrome