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KMID : 0358419750180030167
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Korean Journal of Obstetrics and Gynecology
1975 Volume.18 No. 3 p.167 ~ p.172
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Activities of beta-glucuronldase and esterase in normal human placenta
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이경희/Lee KH
장윤석/Chang YS
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Abstract
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The placenta is one of the most dynamic structures in human body. during the past few decades many histochemical studies by others have contributed greatly to our knowledge of the precise localization of certain metabolic activities in the placenta of human body. It is the purpose of this report to describe certain histochemical reactions of the normal human placenta during its maturation, and to present interpretation of the passible fuctional significance of these reaction. Placental enzymes were studied histochemically in the histologically normal placenta from 25 early pregnant and 50 term pregnant women. Beta-glucuronidase activity was greater in term placenta than early placenta in general and greatest concentration layer, moderate concentration in blood vessels and stroma and scanty in chorionic plate. Esterase activity was, in contrast with beta-glucuronidase, greater in early placenta than term placenta in general and greatest concentration were noted in the chorionic plate, moderate concentration in villi, scanty in blood vessels and stroma.
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