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There is a focal dilation at the end of the umbilical vein, called the umbilical recess. The UVC then passes into the ductus venosus, which originates cephalad from the left portal vein, opposite to ...

研究人员依据 UVC 尖端位置，将患儿分为中心组（导管尖端位于 IVC - RA junction）和非中心组（导管尖端位于理想中心位置之外），非中心组中又细分出导管尖端位于静脉导管（Ductus Venosus，DV）的 DV 亚组。随后，利用便携式超声诊断仪对患儿进行腹部超声检查 ...

The first-trimester aneuploidy markers were normal: nuchal translucency below the 95th percentile (figure 1), absence of tricuspid valve regurgitation, presence of the nasal bone, and ductus venosus ...

Researchers have found in a new study that first-trimester ultrasound screening enables early prenatal diagnosis and ...

Notch1 is expressed uniformly throughout the mouse endocardium during the initial stages of heart valve formation, yet it remains unclear how Notch signaling is activated specifically in the AVC ...

Background: Cor Triatriatum is a congenital anomaly characterized by the abnormal presence of a fibromuscular junction in one of the atria, as seen on echocardiography. This anomaly can lead to major ...