Podcast
Questions and Answers
What is the role of the septum transversum in the development of the diaphragm?
What is the role of the septum transversum in the development of the diaphragm?
- It forms the trachea
- It assists in breastfeeding
- It separates the thoracic and abdominal cavities (correct)
- It prevents regurgitation after feeding
What structures are involved in forming the septum that separates the trachea from the esophagus?
What structures are involved in forming the septum that separates the trachea from the esophagus?
- Endoderm and mesoderm (correct)
- Ectoderm and dermis
- Endoderm and ectoderm
- Mesoderm and ectoderm
What anomalies can arise if there are malformations in the tracheoesophageal septum?
What anomalies can arise if there are malformations in the tracheoesophageal septum?
- Clubfoot
- Tracheoesophageal fistulas (correct)
- Cleft lip
- Polydactyly
Which condition is likely to manifest due to defects in the mesoderm layer during development?
Which condition is likely to manifest due to defects in the mesoderm layer during development?
How does a connection between the esophagus and trachea manifest when the septum doesn't completely form?
How does a connection between the esophagus and trachea manifest when the septum doesn't completely form?
What role does surfactant play in aiding respiration?
What role does surfactant play in aiding respiration?
During which period do primitive alveoli mature?
During which period do primitive alveoli mature?
What do type II pneumocytes secrete during the terminal sac stage?
What do type II pneumocytes secrete during the terminal sac stage?
What is a possible consequence of insufficient surfactant in premature babies?
What is a possible consequence of insufficient surfactant in premature babies?
Which drug administered to mothers during early labor stimulates lung maturation and surfactant secretion in premature babies?
Which drug administered to mothers during early labor stimulates lung maturation and surfactant secretion in premature babies?
Where does the development of the respiratory tract begin in an embryo?
Where does the development of the respiratory tract begin in an embryo?
What structures give rise to the larynx during embryonic development?
What structures give rise to the larynx during embryonic development?
Which membrane is found at the cranial end of the foregut during embryonic development?
Which membrane is found at the cranial end of the foregut during embryonic development?
From which structure does the lower respiratory system develop in an embryo?
From which structure does the lower respiratory system develop in an embryo?
What causes the embryo to develop its C shape through foldings?
What causes the embryo to develop its C shape through foldings?
What is the origin of the phrenic nerves that innervate the diaphragm?
What is the origin of the phrenic nerves that innervate the diaphragm?
At what level does the septum transversum appear during the 4th week of development?
At what level does the septum transversum appear during the 4th week of development?
Why is the diaphragm innervated by nerves from cervical levels even though it's found at thoracic level?
Why is the diaphragm innervated by nerves from cervical levels even though it's found at thoracic level?
What is the final result of the partial separation between thoracic and abdominal cavities by the diaphragm?
What is the final result of the partial separation between thoracic and abdominal cavities by the diaphragm?
Why does the septum transversum change position as the baby grows?
Why does the septum transversum change position as the baby grows?
What separates the pericardial cavity from the pleural cavities during embryonic development?
What separates the pericardial cavity from the pleural cavities during embryonic development?
How are the lungs positioned in relation to the pleural cavities during development?
How are the lungs positioned in relation to the pleural cavities during development?
What happens to the size of the pleural cavities as the lungs expand during development?
What happens to the size of the pleural cavities as the lungs expand during development?
Which structures penetrate the lobes of the left lung during development?
Which structures penetrate the lobes of the left lung during development?
What contributes to delimiting the space into which the lungs expand during development?
What contributes to delimiting the space into which the lungs expand during development?
