exam 3 Flashcards
(14 cards)
What tissue is the respiratory mystery system derived from
Foregut
What is the first indication of the development of the respiratory system
Laryngotracheal groove - caudal to the 4th pair pharyngeal pushes @ day 28th
Which layer will give rise to the smooth muscle, CT and cartilage of the respiratory system
Splanchnic mesoderm/mesenchyme
What forms during during recanalization
laryngeal ventricle
The respiratory bronchioles form by week…
24
During which phase of lung maturation is limited respiration possible
canalicular phase
in which phase of lung maturation is there sufficient surfactant to prevent atelectasis
terminal sac period
What is the name of the cells that produce surfactant
type 2 alveolar cells AKA pneumocytes
What are the 3 routes that amniotic fluids cleared from the lung at birth
pressure on thorax during birth
pulmonary capillaries
pulmonary lymphatic system
What is the first rotation of the stomach?
90 degrees, Longitudinal rotation
What is the second rotation of the stomach?
rocking motion on anteroposterior axis
Which four structures form the diaphragm?
transverse septum
pleura-peritoneal folds
mesoesophagus
inner portion of the body wall
The dorsal mesogastrium will become what…
spleen
