. Midwifery and the diseases of women : a descriptive and practical work : showing the superiority of water-treatment in menstruation and its disorders, chlorosis, leucorrhea, fluor albus, prolapsus uteri, hysteria, spinal diseases, and other weaknesses of females : in pregnancy and its diseases, abortion, uterine hemorrhage, and the general management of childbirth, nursing, etc., etc. : illustrated with numerous cases of treatment . e right ventricle; andfrom the right ventricle into the pulmonary artery. Inthe adult, the blood would now be circulated through thelungs, and oxygenated ; but i
. Midwifery and the diseases of women : a descriptive and practical work : showing the superiority of water-treatment in menstruation and its disorders, chlorosis, leucorrhea, fluor albus, prolapsus uteri, hysteria, spinal diseases, and other weaknesses of females : in pregnancy and its diseases, abortion, uterine hemorrhage, and the general management of childbirth, nursing, etc., etc. : illustrated with numerous cases of treatment . e right ventricle; andfrom the right ventricle into the pulmonary artery. Inthe adult, the blood would now be circulated through thelungs, and oxygenated ; but in the fetus the lungs are solid,and almost impervious. Only a small quantity of theblood passes therefore into the lungs; the greater partrushes through the ductus arteriosus, into the commence-ment of the descending aorta, where it becomes mingledwith that portion of the pure blood which is not sentthrough the carotid and subclavian arteries. Passing along the aorta, a small quantity of this mixed 246 LETTERS TO VOMEN. blood is distributed by the external iliac arteries «o tnalower extremities; the greater portion is conveyed by theinternal iliac, hypogastric, and umbilical arteries to theplacenta; the hypogastric arteries proceeding from the in-ternal iliacs, and passing by the side of the fundus of , and upward along the anterior wall of the abdo-men to the umbilicus, where they become the umbilicalarteries. o a. FETAL CIKCULATIOW. ANATOMY OF THE FETUS. 247 1. The umbilical cord, consisting of the umoilical Tein and two umbilical ar-teries ; proceeding from the placenta (2). 3. The umbilical vein dividing intothree branches; two (4, 4), to be distributed to the liver ; and one (5), the duc-tus venosus, which enters the inferior vena cava (6). 7. The portal vein, re-turning the blood fiiom the intestines, and uniting with the right hepatic The right auricle; the course of the blood is denoted by the arrow, proceed-ing from 8 to 9, the left auricle. 10. T
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