\pləsˈɛntə͡l sˌɜːkjʊlˈe͡ɪʃən], \pləsˈɛntəl sˌɜːkjʊlˈeɪʃən], \p_l_ə_s_ˈɛ_n_t_əl s_ˌɜː_k_j_ʊ_l_ˈeɪ_ʃ_ə_n]\
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By DataStellar Co., Ltd
The circulation (2d def.) of the fetal blood through the umbilical arteries, the capillaries of the villi, and, in the reverse direction, the fetal veins, on the one hand; on the other hand, the circulation of the maternal blood through the uterine arteries, the intervillous lacunae, the utero-placental sinuses, and back into the uterine veins.
By Smith Ely Jelliffe
Word of the day
- An instrument for the gradual straightening of abnormally curved bone.