Fetal circulation and changes at birth Flashcards Preview

A&P 300 > Fetal circulation and changes at birth > Flashcards

Flashcards in Fetal circulation and changes at birth Deck (12)
Loading flashcards...
0
Q

what does umbilical vein become

A

ligamentum teres

1
Q

what umbilical arteries become

A

Medial umbilical ligaments

2
Q

what does Ductus venosus become

A

Ligamentum venosum

3
Q

what does foramen ovale become?

A

Fossa ovalis

4
Q

What does Ductus arteriosus become

A

Ligamentum arteriosum

5
Q

What was Medial umbilical ligaments?

A

Umbilical arteries (taking deoxygenated blood to placenta)

6
Q

What was Ligamentum teres

A

Umbilical vein (taking oxygenated blood to inferior vena cava at Liver and also hepatic portal)

7
Q

What was ligamentum venosum

A

Ductus venosus (connecting umbilical vein to Inferior vena cava)

8
Q

What was fossa ovalis

A

Foramen ovale (connecting to right atrium to left atrium)

9
Q

What was ligamentum arteriosum

A

Ductus arteriosus (connecting pulmonary trunk directly to arch of aorta

10
Q

fetal circulation oxygenated blood

A

Placenta -> Umbilical Vein -> Ductus Venosus (and Liver via hepatic portal) -> Inferior vena cava

11
Q

Fetal circulation mixed blood

A

Inferior venacava -> Right atrium -> Right ventricle ->Pulmonary trunk -> Ductus arteriosus -> aorta -> systemic circulation -> umbilical arteries -. Placenta