科研之友
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摘要
Two hundred fresh full term placentae of normal pregnancies were collected from the department of Obstetrics and Gynaecology, RIMS, Ranchi, Jharkhand, India to observe the incidence of vascular pattern of chorionic blood vessels of placenta and to note the relationship between vascular pattern of placenta and the birth weight of neonate. Dye was injected into umbilical vessels under normal physiological pressure and diameter of chorionic blood vessels were taken at the centre and periphery. Two types of vascular pattern of chorionic blood vessels of placentae were observed- Dispersal and Magistral. Dispersal pattern was found in 63% cases and magistral pattern was observed in 37% cases. An interesting observation was noted that the birth weight of neonate was higher in magistral pattern in comparison to dispersal pattern in both sexes. Doscientas placentas de t谷rmino de gravidez normales frescas fueron recogidas del departamento de Obstetricia y Ginecolog赤a, RIMS, Ranchi, Jharkhand, India. Se observ車 la incidencia del patr車n vascular de los vasos sangu赤neos cori車nicos de la placenta y la relaci車n entre el patr車n vascular de 谷sta y el peso al nacer del reci谷n nacido. Se inyect車 tinta dentro de los vasos umbilicales bajo presi車n fisiol車gica normal, y se tomaron los di芍metros de los vasos sangu赤neos cori車nicos en el centro y la periferia. Dos tipos de patr車n vascular cori車nicos se observaron en la placenta, disperso y magistral. El patr車n disperso se encontr車 en el 63% de los casos y el patr車n magistral se observ車 en 37% de los casos. Una observaci車n interesante mostr車 que el peso al nacer de los reci谷n nacidos fue mayor en el patr車n magistral en comparaci車n con el patr車n disperso en ambos sexos.
