FOETAL CIRCULATION
\fˈiːtə͡l sˌɜːkjʊlˈe͡ɪʃən], \fˈiːtəl sˌɜːkjʊlˈeɪʃən], \f_ˈiː_t_əl s_ˌɜː_k_j_ʊ_l_ˈeɪ_ʃ_ə_n]\
Definitions of FOETAL CIRCULATION
- 2006 - WordNet 3.0
- 2011 - English Dictionary Database
- 1846 - Medical lexicon: a dictionary of medical science
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By Princeton University
By DataStellar Co., Ltd
-
Differs from that of the adult in several respects. Commencing with the placenta, where it probably undergoes some change analogous to what occurs in the lungs in extra-uterine existence, the blood proceeds by the umbilical vein as far as the liver, where a part of it is poured into the vena porta; the other proceeds into the vena cava inferior; the latter, having received the suphrahepatic veins, pours its blood into the right auricle. From the right auricle, a part of the blood is sent into the right ventricle; the rest passes directly through into the left auricle, by the foramen ovale. When the right ventricle contracts, the blood is sent into the pulmonary artery; but as the function of respiration is not going on, no more blood passes to the lungs than is necessary for their nutrition; the remainder goes directly through the ductus arteriosus into the aorta. The blood, received by the left auricle from the lungs, as well as that which passed through the foramen ovale, is transmitted into the left ventricle; by the contraction of which it is sent into the aorta, and by means of the umbilical arteries, which arise from the hypogastric, it is returned to the placenta.
By Robley Dunglison
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Nearby Words
- foesa
- foetabulum
- foetal
- foetal head
- foetal nutrition
- Foetal Circulation
- foetal distress
- foetal monitor
- foetal movement
- foetation
- foeticide