Podcast
Questions and Answers
What is the origin of the laryngeal cartilages?
What is the origin of the laryngeal cartilages?
- Mesenchyme derived from the 6th pharyngeal arch
- Mesenchyme that is derived from neural crest cells (correct)
- Mesenchyme derived from the 4th pharyngeal arch
- Endoderm of the laryngotracheal tube
What is the outcome of recanalization of the laryngeal epithelium by the 10th week?
What is the outcome of recanalization of the laryngeal epithelium by the 10th week?
- Complete closure of the glottis
- Temporary occlusion of the lumen (correct)
- Formation of the T-shaped laryngeal inlet
- Permanent occlusion of the lumen
What is the result of the growth of the larynx and epiglottis during the first three years after birth?
What is the result of the growth of the larynx and epiglottis during the first three years after birth?
- The larynx and epiglottis remain in their fetal form
- The larynx and epiglottis become non-functional
- The larynx and epiglottis reach their adult form (correct)
- The larynx and epiglottis continue to grow rapidly
What is the cause of congenital high airway obstruction syndrome?
What is the cause of congenital high airway obstruction syndrome?
What is the characteristic feature of laryngeal atresia?
What is the characteristic feature of laryngeal atresia?
What is Tracheal Diverticulum characterized by?
What is Tracheal Diverticulum characterized by?
During which week does the primordium of the main bronchus develop?
During which week does the primordium of the main bronchus develop?
What is the number of tertiary bronchial buds that develop on each side during the 6th week?
What is the number of tertiary bronchial buds that develop on each side during the 6th week?
What is the origin of the visceral pleura?
What is the origin of the visceral pleura?
How many orders of branches develop after birth?
How many orders of branches develop after birth?
What is the embryonic structure that gives rise to the larynx, trachea, and lungs?
What is the embryonic structure that gives rise to the larynx, trachea, and lungs?
What is the name of the structure that separates the dorsal foregut (esophagus) from the ventral lung bud (larynx, trachea, and lung)?
What is the name of the structure that separates the dorsal foregut (esophagus) from the ventral lung bud (larynx, trachea, and lung)?
At which day of embryonic development does the foregut produce a ventral evagination called the respiratory diverticulum or lung bud?
At which day of embryonic development does the foregut produce a ventral evagination called the respiratory diverticulum or lung bud?
What is the name of the structure that remains in communication with the primordial pharynx through the primordial laryngeal inlet?
What is the name of the structure that remains in communication with the primordial pharynx through the primordial laryngeal inlet?
What is the term for the longitudinal folds that develop in the laryngotracheal diverticulum and fuse to form a partition?
What is the term for the longitudinal folds that develop in the laryngotracheal diverticulum and fuse to form a partition?
During which week of gestation does the incomplete recanalization of the larynx occur, resulting in a membranous web at the level of the vocal folds?
During which week of gestation does the incomplete recanalization of the larynx occur, resulting in a membranous web at the level of the vocal folds?
What is the consequence of the blockage in prenatal USG Laryngeal atresia on the development of the lungs?
What is the consequence of the blockage in prenatal USG Laryngeal atresia on the development of the lungs?
What is the result of the struggle to breathe against the blockage in prenatal USG Laryngeal atresia?
What is the result of the struggle to breathe against the blockage in prenatal USG Laryngeal atresia?
What develops from the endoderm of the LTT distal to the larynx?
What develops from the endoderm of the LTT distal to the larynx?
What is the consequence of the underdeveloped lungs on the heart and major blood vessels in prenatal USG Laryngeal atresia?
What is the consequence of the underdeveloped lungs on the heart and major blood vessels in prenatal USG Laryngeal atresia?
