0.2 Times of Embryological Events Flashcards Preview

Heartbeat Boyz (CPR exam 1) > 0.2 Times of Embryological Events > Flashcards

Flashcards in 0.2 Times of Embryological Events Deck (16)
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1
Q

When does the laryngotracheal diverticulum form?

A

4th week

2
Q

When does the tracheoesophageal septum complete?

A

Week 5

3
Q

When does recanalization occur?

A

10th week

4
Q

When do the primary bronchial buds form?

A

Week 5

5
Q

When do the secondary bronchial buds (becoming the lobar bronchi) form?

A

Week 6

6
Q

When do the tertiary bronchial buds form (becoming segmental bronchi)?

A

Week 7

7
Q

When do the terminal bronchioles finish developing, marking the completion of the conducting system of the respiratory tract?

A

Week 24

8
Q

When is the lung’s pseudoglandular stage?

A

Week 5 - 17

9
Q

When do we find the lungs in the canalicular stage?

A

Weeks 16 - 25

10
Q

When do we find the lungs in the terminal sac stage?

A

Weeks 24 to birth

11
Q

When do we find the lungs in the alveolar stage?

A

Weeks 32 to 8 years

12
Q

When does the heart begin to beat?

A

Day 22

13
Q

When do we see the sinus venosus?

A

Day 23

14
Q

When do septation events of the heart occur?

A

Week 4 to mid Week 8

15
Q

When does vasculogenesis begin?

A

End of the third week

16
Q
A