cardio dev

Question 1

When does heart looping begin

Answer 1

week 4

Question 2

critical period of heart

Answer 2

3-6 weeks

Question 3

when is cardiogenic region established?

Answer 3

Day 18

Question 4

primordial heart derivative

Answer 4

lateral plate mesoderm

Question 5

bulbal and truncal ridges of heart

Answer 5

neural crest cells

Question 6

what does lateral plate mesoderm split into?

Answer 6

splanchnic and somatic mesoderm, where teh heart is derived from spanchnic, body wall and limbs somatic

Question 7

name the red shit

Answer 7

primordial heart field

Question 8

when does body folding take place

Answer 8

~ week 4

Question 9

tf is the blue shit

Answer 9

ventricle

Question 10

heart looping when go

Answer 10

days 22-28 but also days 22-35

Question 11

what happens during heart partitioning?

Answer 11

Endocardial cushions divide AV canal–Atrial septation–Ventricular septation–Remodeling the outflow tracts

Question 12

when does atrial and ventricular septation occur

Answer 12

day 30-day 33-37

Question 13

when does VALVE FORMATION happen

Answer 13

day 37

Question 14

Ductus venosus–>

Answer 14

Ligamentum venosum in teh liver

Question 15

Foramen ovale –>

Answer 15

Fossa ovalis in right atrium

Question 16

Ductus arteriosus –>

Answer 16

Ligamentum arteriosum

Question 17

what forms the foramen ovale?

Answer 17

septum secundum, septum primum

Question 18

Without this, the heart cant form its chambers and valves

Answer 18

endocardial cushions