Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Formation of respiratory diverticulum Begins at....... and outgrowth from ....... |
4th week of IUL ventral of foregut |
Appears as an endodermal |
|
|
Endoderm lining RT give rise to .... ,.....
C.T , cartilage & smooth M arised from.... |
— Epith + glands — splanchnic mesoderm surrounds endo |
|
|
|
How Resp diverticulum separate from foregut..... |
1) Open Esophaguses and trachea septal 2) esophago-tracheal ridges fuse to form septal 3) trachea divide to form lung buds |
|
|
|
Failure of septum fusion results in |
— Esophago-tracheal fistula — esophageal atresia |
|
|
|
Abnormal connection between trachea and oesophagus.... |
fistula |
|
|
|
Closed esophageal end ...results of inability to swallow amniotic fluid by foetus |
atresia |
|
|
|
A B C ?? |
A. Atresia & fistula B. Atresia C. Fistula |
|
|
|
orifice communication b/w respiratory diverticulum & foregut — seen during Development of larynx |
Laryngeal orifice |
|
|
|
Muscles & cartilages — From which arches.... — supplied by X |
—4th & 6th pharyngeal arches —X CN nerve
|
superior laryngeal-4th arch recurrent laryngeal-6t |
|
|
Phases of lung development |
Pseudoglandular Canalicular Terminal sac Alveolar
|
|
