Uneven Distribution of Maternal and Fetal Placental Blood Flow, as Demonstrated Using Macroaggregates, and Its Response to Hypoxia

^{Department of Physiology, Graduate Division, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Obstetrics, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Gynecology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Radiology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Radiological Science, the Johns Hopkins University School of Medicine, Baltimore, Maryland}

Postdoctoral fellow of the National Institutes of Health.

Recipient of a USPHS Research Career Development Award HD-23,676.

Address requests for reprints to Dr. Lawrence D. Longo, Department of Physiology, Graduate Division, School of Medicine, University of Pennsylvania, Philadelphia, Pa. 19104.

Recipient of a USPHS Research Career Progress Award CA-14,020.

Received for publication 10 January 1967 and in revised form 7 August 1967.

This work was presented in part at the Annual Meeting of the American Society for Clinical Investigation in Atlantic City, N. J., 2 May 1966, and was supported by grant No. HD-1860 from the National Institute of Child Health and Human Development; Training grant-5430; Grants No. C-4456 and GM-10548 from the National Institute of General Medical Sciences and grants from the Life Insurance Medical Research Fund and the Josiah Macy Jr., Foundation.

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^{Department of Physiology, Graduate Division, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Obstetrics, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Gynecology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Radiology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Radiological Science, the Johns Hopkins University School of Medicine, Baltimore, Maryland}

Postdoctoral fellow of the National Institutes of Health.

Recipient of a USPHS Research Career Development Award HD-23,676.

Address requests for reprints to Dr. Lawrence D. Longo, Department of Physiology, Graduate Division, School of Medicine, University of Pennsylvania, Philadelphia, Pa. 19104.

Recipient of a USPHS Research Career Progress Award CA-14,020.

Received for publication 10 January 1967 and in revised form 7 August 1967.

This work was presented in part at the Annual Meeting of the American Society for Clinical Investigation in Atlantic City, N. J., 2 May 1966, and was supported by grant No. HD-1860 from the National Institute of Child Health and Human Development; Training grant-5430; Grants No. C-4456 and GM-10548 from the National Institute of General Medical Sciences and grants from the Life Insurance Medical Research Fund and the Josiah Macy Jr., Foundation.

Find articles by Longo, L. in: PubMed | Google Scholar

^{Department of Physiology, Graduate Division, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Obstetrics, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Gynecology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Radiology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Radiological Science, the Johns Hopkins University School of Medicine, Baltimore, Maryland}

Postdoctoral fellow of the National Institutes of Health.

Recipient of a USPHS Research Career Development Award HD-23,676.

Address requests for reprints to Dr. Lawrence D. Longo, Department of Physiology, Graduate Division, School of Medicine, University of Pennsylvania, Philadelphia, Pa. 19104.

Recipient of a USPHS Research Career Progress Award CA-14,020.

Received for publication 10 January 1967 and in revised form 7 August 1967.

This work was presented in part at the Annual Meeting of the American Society for Clinical Investigation in Atlantic City, N. J., 2 May 1966, and was supported by grant No. HD-1860 from the National Institute of Child Health and Human Development; Training grant-5430; Grants No. C-4456 and GM-10548 from the National Institute of General Medical Sciences and grants from the Life Insurance Medical Research Fund and the Josiah Macy Jr., Foundation.

Find articles by Wagner, H. in: PubMed | Google Scholar

^{Department of Physiology, Graduate Division, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Obstetrics, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Gynecology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Radiology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Radiological Science, the Johns Hopkins University School of Medicine, Baltimore, Maryland}

Postdoctoral fellow of the National Institutes of Health.

Recipient of a USPHS Research Career Development Award HD-23,676.

Address requests for reprints to Dr. Lawrence D. Longo, Department of Physiology, Graduate Division, School of Medicine, University of Pennsylvania, Philadelphia, Pa. 19104.

Recipient of a USPHS Research Career Progress Award CA-14,020.

Received for publication 10 January 1967 and in revised form 7 August 1967.

This work was presented in part at the Annual Meeting of the American Society for Clinical Investigation in Atlantic City, N. J., 2 May 1966, and was supported by grant No. HD-1860 from the National Institute of Child Health and Human Development; Training grant-5430; Grants No. C-4456 and GM-10548 from the National Institute of General Medical Sciences and grants from the Life Insurance Medical Research Fund and the Josiah Macy Jr., Foundation.

Find articles by Kuhl, D. in: PubMed | Google Scholar

^{Department of Physiology, Graduate Division, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Obstetrics, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Gynecology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Radiology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania}

^{Department of Radiological Science, the Johns Hopkins University School of Medicine, Baltimore, Maryland}

Postdoctoral fellow of the National Institutes of Health.

Recipient of a USPHS Research Career Development Award HD-23,676.

Address requests for reprints to Dr. Lawrence D. Longo, Department of Physiology, Graduate Division, School of Medicine, University of Pennsylvania, Philadelphia, Pa. 19104.

Recipient of a USPHS Research Career Progress Award CA-14,020.

Received for publication 10 January 1967 and in revised form 7 August 1967.

This work was presented in part at the Annual Meeting of the American Society for Clinical Investigation in Atlantic City, N. J., 2 May 1966, and was supported by grant No. HD-1860 from the National Institute of Child Health and Human Development; Training grant-5430; Grants No. C-4456 and GM-10548 from the National Institute of General Medical Sciences and grants from the Life Insurance Medical Research Fund and the Josiah Macy Jr., Foundation.

Find articles by Forster, R. in: PubMed | Google Scholar