Abstract
The cardiovascular system is the first organ system to reach a functional state in the embryo, and reflex control on the fetal circulation is evident from at least 0.6 of term. During fetal development, a remarkable functional feature of the cardiovascular system is the high level of pumping of the heart, despite its structural immaturity. Associated with high resting levels of cardiovascular performance, the fetus has no capacity to increase cardiac output in response to stress such as hypoxia. Consequently, autonomic nervous system control of the heart and circulation assumes an important role in the fetal defence against stress in utero, principally through maintenance and redistribution of the available cardiac output.
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© 1988 Springer-Verlag Berlin Heidelberg
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Walker, A.M. (1988). Development of Reflex Control of the Fetal Circulation. In: Künzel, W., Jensen, A. (eds) The Endocrine Control of the Fetus. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-72975-1_9
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DOI: https://doi.org/10.1007/978-3-642-72975-1_9
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