Embryo - Respiratory

Question 1

tracheoesophageal fistula

Answer 1

abnormal conn. btw esophagus and trachea formed by abnormal trachesophageal septum

Question 2

esophageal atresia

Answer 2

blind pouching of esophagus

inf esophagus joining trachea bifurcation

Question 3

result of tracheoesophageal fistula and esophageal atresia

Answer 3

risk of polyhydramnios

Question 4

esophageal atresia formed by

Answer 4

TE septum deviates posteriorly

Question 5

TEF

Answer 5

TE septum that doesn’t fully form

Question 6

lung bud formed by

Answer 6

endoderm developing into splanchnic mesoderm

Question 7

lung bud derivates

Answer 7

endoderm and splanchnic mesoderm

Question 8

endoderm gives rise to

Answer 8

epithelial lining

glands of airways

Question 9

splanchnic mesoderm gives rise to

Answer 9

sm. muscle
CT of airways (cartilage)
lining all of conducting system

Question 10

larynx formed from

Answer 10

4th and 6th pharyngeal arch

Question 11

how are vocal cords and ventricle formed

Answer 11

after closure then recanalization of larynx

Question 12

arytenoid swelling made up of

Answer 12

mesenchyme