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During fetal development, a hole in the heart, known as the foramen ovale, allows blood to bypass the non-functioning lungs, which are not yet in use. This opening connects the right and left atria, enabling oxygenated blood from the placenta to flow directly into the left atrium and then to the rest of the body. After birth, when the lungs become functional and blood flow patterns change, the foramen ovale typically closes, becoming a sealed structure. This process is crucial for ensuring proper circulation and oxygen delivery to the developing fetus.
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During which stage of prenatal development does the fetal period of development occur?
The fetal period of development occurs during the third stage of prenatal development, which is the fetal stage.
Do the lungs function during the fetal development?
no the lungs and the pumonary circuit do not operate in the fetus until birth
During which stage of prenatal development does the fetal period occur?
The fetal period occurs during the third stage of prenatal development.
What is the function of fontanelles in the fetal skull?
The fontanels allow the fetal skull to be compressed slightly during birth and also allow for brain growth during late fetal life.
What is the function of the fontanelle's in the fetal skull?
The fontanels allow the fetal skull to be compressed slightly during birth and also allow for brain growth during late fetal life.
What is the function of the hyaloid canal in the human eye?
The hyaloid canal in the human eye serves to provide a pathway for nourishment to the developing lens during fetal development.
Does the diaphragm function in a fetus?
Yes it does, only no air is supplied because it is in amniotic fluid. The lungs and the diaphragm function during fetal development in order to prepare for breathing air after birth. During the time in the uterus, the gas exchange is done by the mother through the umbilical cord and her lungs.
Which two chambers are connected by the fossa ovalis during fetal development?
the right and left atrium of the fetal heart.
What is the significance of fetal fluid in the development of a fetus during pregnancy?
Fetal fluid plays a crucial role in the development of a fetus during pregnancy by providing protection, cushioning, and facilitating the exchange of nutrients and waste between the mother and the fetus. It also helps in the development of the fetal lungs and musculoskeletal system.
How does the presence of fetal urine impact the development of the fetus during pregnancy?
The presence of fetal urine plays a crucial role in maintaining the amniotic fluid levels, which helps in cushioning and protecting the fetus during pregnancy. It also helps in the development of the fetal kidneys and lungs by allowing them to practice breathing movements. Overall, fetal urine contributes to the overall growth and development of the fetus in the womb.
How are maternal to fetal infections passed?
Maternal to fetal infections are transmitted from the mother to her fetus, either across the placenta during fetal development (prenatal) or during labor and passage through the birth canal (perinatal).
Where does differentiation occur?
In people, differentiation occurs during the fetal development in the uterus.
