Foramen ovale (heart) ovale, the fossa ovalis. A fetus receives oxygen not from its lungs, but from the mother's oxygen-rich blood via the placenta. Oxygenated blood from the placenta travels through the umbilical cord to the right atrium of the fetal heart. As the fetal lungs are non-functional at this time, it is more efficient for the blood to bypass them. This is accomplished through 2 cardiac shunts. The first is the foramen ovale which shunts blood from the right atrium to the left atrium. The second is the ductus arteriosus which shunts blood from the pulmonary artery (which, after birth, carries blood
Randall (given name) Randall (given name) Randall is a masculine given name in English and German . Its modern use as a given name originates from the transferred use of the English–language surname "Randall", which in turn is derived from "Randolph". There are several variant spellings of the English given name; these include Randal, Randel, Randell, and Randle. The pet form is "Randy". The form "Randal" has also used as an Anglicisation of an etymologically unrelated Irish and Scottish Gaelic name "Raghnall". This Anglicisation has been noted as being particularly common amongst several Irish families of note. "Randal" has not been among the