Fetal Circulation (FINAL) Flashcards
(35 cards)
1
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Aorta
- Both oxygenated and de-oxygenated blood
2
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Ductus Venosus
- Carries oxygenated blood from umbilical vein to inferior vena cava
- Bypassing fetal liver
3
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Left Hepatic Vein
- Deoxygenated blood
4
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Left Atrium
- Deoxygenated blood
5
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Pulmonary Trunk
- Both deoxygenated & oxygenated blood
6
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Superior Vena Cava
- Deoxygenated blood
7
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Foramen Ovale
- Connects the left and right atrium
- Its pushes blood from the right atrium to the left atrium
- Both deoxygenated and oxygenated blood
8
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Right Atrium
- Both oxygenated and deoxygenated blood
9
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A
Inferior Vena Cava
- Deoxygenated blood
10
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A
Right Hepatic Vein
11
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A
Portal Sinus
12
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Ductus Arteriosus
- Carries oxygenated blood from pulmonary artery to aorta
- Bypassing fetal lungs
13
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Portal Vein
14
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Umbilical Vein
- Brings oxygenated blood coming from the placenta to the fetus
15
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A
Umbilicus
16
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A
Placenta
- Where gas exchange takes place during fetal life
17
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A
Umbilical Arteries
- Carries deoxygenated blood from the fetus to placenta
18
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Lower Extremities
19
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Internal Iliac Artery
20
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Kidney
21
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Gut
22
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Placenta
- Where gas exchange takes place during fetal life
23
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A
Foramen ovale
- Connects the left and right atrium
- Its pushes blood from the right atrium to the left atrium
- Both deoxygenated and oxygenated blood
24
Q
A
Umbilical Vein
- Brings oxygenated blood coming from the placenta to the fetus
25
**Umbilical Arteries**
* Carries _deoxygenated_ blood from the fetus to the placenta
26
**Ductus Venosus**
* Carries _oxygenated_ blood from umbilical vein to inferior vena cava
* Bypassing fetal liver
27
**Ductus Arteriosus**
* Carries oxygenated blood from pulmonary artery to aorta
* Bypassing fetal lungs
28
**Placenta**
* Where gas exchange takes place during fetal life
29
**Foramen Ovale**
* Connects the left and right atrium
* Its pushes blood from the right atrium to the left atrium
* Both _deoxygenated and oxygenated_ blood
30
**Ductus Arteriosus**
* Both _oxygenated and deoxygenated_ blood
31
**Ductus Venosus**
* Carries oxygenated blood
* From umbilical vein to inferior vena
* Bypassing fetal liver
32
**Umbilical Vein**
* Brings _oxygenated_ blood coming from the placenta to the fetus
33
**Umbilical Arteries**
* Carries _deoxygenated_ bood from the fetus to placenta
34
**What is the function of fetal circulation?**
The fetal circulation is the _circulatory system of a human fetus_, often encompassing the entire fetoplacental circulation which includes the **umbilical cord** and the **blood vessels** within the **placenta that carry fetal blood**.
35
**How does fetal circulation work differently from that of born humans?**
* The lungs are not in use
* The fetus obtains oxygen and nutrients from the mother through the placenta and the umbilical cord
