Malformation of the venous sinus in human embryos.
2 human embryos of stages XV and XVII are studied, in which the persistence of the left vitelline vein opening into the venous sinus (sinus venosi cordis) is described.
D003330:Coronary Vessel Anomalies / Q000196:embryology*; D005318:Fetal Heart / Q000002:abnormalities* / Q000033:anatomy & histology; D006801:Humans; D014680:Veins / Q000196:embryology