Abstract
During recent years considerable speculation has been forthcoming regarding the status of placental fetal stem arteries in hypertensive disorders (toxemia) of pregnancy. A number of investigators (Isidor and Aubry, 1957; Paine, 1957; Robecchi and Simone, 1965; Fox, 1967; Hoelzl et al., 1974; Las Heras, 1978; Las Heras et al., 1979; Las Heras et al., 1983) have shown that a narrowing of the lumen of those vessels, due to the proliferation and prominence of endothelial cells, the smooth muscle cells, and fibrous tissue of the media was a characteristic feature of placentae from patients with toxemia. The extent of the narrowing was assessed morphometrically by Las Heras et al. (1985) who showed that there was a significant reduction in the ratio of lumen-to-whole-diameter of the fetal stem arteries in toxemia as compared with a normal control group.
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© 1988 University of Rochester
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Heras, J.L., Haust, M.D. (1988). Ultrastructure of Fetal Stem Arteries of Human Placenta in Hypertensive Disorders (Toxemia) of Pregnancy. In: Kaufmann, P., Miller, R.K. (eds) Placental Vascularization and Blood Flow. Trophoblast Research, vol 3. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-8109-3_25
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DOI: https://doi.org/10.1007/978-1-4615-8109-3_25
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