. American journal of obstetrics and gynecology. Fie 3.—A more mature but at the same time healthy placenta showmg some re-duction in the bore of the large subamniotic trunks, a visible contraction, of thecotyleilonous circulation with beginning areas of Fig. 4.—Cross section of placenta with arterial injection to show the shrinkage ofthe cotyledons. The unifonii thickness of the placenta is still presei-ved. coinplish this tlie vascular tree was injected in many placentae of vary-ing degrees of development, stereoscopic radiograms were taken oftliem, and later these specimens w
. American journal of obstetrics and gynecology. Fie 3.—A more mature but at the same time healthy placenta showmg some re-duction in the bore of the large subamniotic trunks, a visible contraction, of thecotyleilonous circulation with beginning areas of Fig. 4.—Cross section of placenta with arterial injection to show the shrinkage ofthe cotyledons. The unifonii thickness of the placenta is still presei-ved. coinplish this tlie vascular tree was injected in many placentae of vary-ing degrees of development, stereoscopic radiograms were taken oftliem, and later these specimens were dehydrated and cleared. Tlie technic employed requires little mention, the apparatus beingsimilar to tliat described by (iross in injections of other organs. The 648 THE AMERICAN JOURNAI^ OF OBSTETRICS AND GYNECOLOGY
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Keywords: ., bookcentury1900, bookdecade1920, booksubje, booksubjectobstetrics
