Functional morphology of ductus venosus in human fetus.
OBJECTIVES: The morphology of region umbilical vein, umbilical sinus and ductus venosus of human fetuses have been investigated.
MATERIAL AND METHODS: 26 human fetuses between 20 and 40 weeks' gestation were examined by morphological methods. The umbilical vein, DV and the portal vein were obtained after terminat.....