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What structure is used to connect the aorta and the pulmonary artery in fetal circulation?
Ductus arteriosus
Does the presence of the ductus arteriosus increase or decrease the efficiency of the fetal circulation?
Increase
Why is it important for the fetal heart to have both the ductus arteriosus and the foramen ovale but not good for the adult heart to have these?
The ductus arteriosus and foramen ovale are important for systemic circulation. This is the type of circulation maintained by fetal pigs but the adult heart requires pulmonary and systemic circulation.
Why is it important for the fetal heart to have both the ductus arteriosus and the foramen ovale but not good for the adult heart to have these feature?
The ductus arteriosus and foramen ovale are important for systemic circulation. This is the type of circulation maintained by fetal pigs but the adult heart requires pulmonary and systemic circulation.
6 structures needed for fetal circulation?
Umbilical Arteries Placenta Umbilical Vein Ductus Venosus Foramen Ovale Ductus Arteriosus
How does the ductus arteriosus improved the efficiency of fetal circulation?
The Ductus arteriosus improves the efficiency of fetal circulation by creating a channal from the mother to the baby. This helps with circulation because oxygen travels from umbilical vein to the fetus which is important because the lungs of the unborm mamal are not functinal so it needs the supply of oxygen from the mother
How does fetal circulation differ from the circulation pattern after birth?
In fetal circulation, the placenta provides oxygen and nutrients to the fetus, so the lungs are not used for oxygen exchange - instead, a bypass called the ductus arteriosus shunts blood away from the lungs. After birth, the lungs take over oxygen exchange, the ductus arteriosus closes, and the foramen ovale between the atria closes, redirecting blood flow through the heart to support pulmonary circulation.
Patent ductus arteriosus or posterior descending artery?
Also known as PDA. A condition in premature infants which causes abnormal fetal circulation
What blood vessel is present in the fetus but not in a child?
The ductus arteriosus is a blood vessel present in the fetus but not in a child. It connects the pulmonary artery to the aorta, allowing blood to bypass the non-functioning fetal lungs. After birth, the ductus arteriosus typically closes and becomes the ligamentum arteriosum, a remnant of the fetal circulation.
What is a fetal shunt between the aorta and the pulmonary trunk?
ductus arteriosus
What are the three shunt present in the fetal heart but not in adult heart?
The ductus arteriosus, formen ovale and ductus veinosus.
How does the ductus arteriosus improve the efficiency of fetal circulation?
The ductus arteriosus is a blood vessel connecting the pulmonary artery to the proximal descending aorta. Its function is to allow the blood from the right ventricle to bypass the fluid-filled non-functioning lungs of the developing fetus.
