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no the lungs and the pumonary circuit do not operate in the fetus until birth
cartilaginous
The fontanels allow the fetal skull to be compressed slightly during birth and also allow for brain growth during late fetal life.
The fontanels allow the fetal skull to be compressed slightly during birth and also allow for brain growth during late fetal life.
the right and left atrium of the fetal heart.
amniocentesis
Late in the third semester
In people, differentiation occurs during the fetal development in the uterus.
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).
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.
Myelomeningocele. Also called spina bifida, myelomeningocele is a condition in which the spine fails to close properly during early fetal development.
It is called a true cleft pallate.