sinus venosus

(redirected from Venosus)
Also found in: Medical, Encyclopedia.
Related to Venosus: sinus venosus, Ligamentum venosum

sinus ve·no·sus

The first chamber in the heart of fish, amphibians, reptiles, and the embryos of birds and mammals, which receives blood from the veins and contracts to force the blood into the atrium.

[New Latin sinus vēnōsus : Medieval Latin sinus, sinus + Latin vēnōsus, venous.]
References in periodicals archive ?
11) Sinus venosus and coronary sinus defects are rare (Figures 1 and 2).
Cerastipsocus trifasciatus EF662237 EF662110 Cerastipsocus venosus -- -- Clematoscenea sp.
Contraction stress test versus ductus venosus Doppler evaluation for the prediction of adverse perinatal outcome in growth-restricted fetuses with non-reassuring non-stress test.
Sinus venosus ASDs occur at the junction of SVC or IVC to Right Atrium (RA) and any defect in septum primum region is designated as ostium primum defect.
Uterine artery, middle cerebral artery and ductus venosus Doppler, which has been evaluated by many others, were not utilised in our investigations.
Introduction: Ductus venosus is a connection present in fetal circulation between left umbilical vein and right hepatocardiac channel.
Objective: To evaluate the correlation between reversed a-wave in ductus venosus at 16-20 weeks' gestation and trisomy 21 and adverse perinatal outcomes.
Effects of sympathetic nerve stimulation on membrane potential, [Ca2+]i, and force in the toad sinus venosus.
14) In addition, the three embryological shunts (foramen ovale, ductus venosus, and ductus arteriosus) will functionally close in the early postnatal period.
The most common variant of PAPVC is the defect located in sinus venosus malformation i.
Ultrasound technology now encompasses color Doppler, 3D and 4D imaging, and other techniques that can be used to assess the placenta, various structures inside the brain, and the heart, as well as blood flow through the ductus venosus.