Match the following fetal structures with their adult derivative 1: Foramen ovale 2: Ductus arteriosus匹配题

A

Fossa ovalis

B

Ligamentum teres (round ligament of the liver)

C

Ligamentum arteriosum

D

Falciform Ligament

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类似问题

Question at position 19 What triggers the closure of the foramen ovale after birth?A decrease in blood pressure in the atria.The degeneration of the umbilical cord.The first breath of the newborn, increasing blood pressure in the atria.The immediate need for blood flow to the skin for thermoregulation.The beginning of liver function in the fetus.

Question at position 18 What is the function of the ductus arteriosus in fetal circulation?It closes immediately after birth to increase blood flow to the lungs.It transfers oxygenated blood from the placenta to the fetus.It diverts blood from the pulmonary trunk to the aorta.It allows blood to bypass the fetal liver.It connects the left atrium to the left ventricle.

In fetal life, blood flow is crucial for the development and growth of the fetus. However, blood flow to the lungs is very low in the fetus (~12% of combined ventricular output). What are the main reasons for the low blood flow?

Which of the following structures allows blood to pass from the left atrium to the right atrium in the foetal circulation?

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