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
Dolores (given name) Dolores (given name) Dolores is a feminine given name of Spanish origin. In an etymological sense, the name Dolores from the Spanish word "dolores", which is the plural form of "dolor", meaning either sorrow or pain, and word can be traced even further back, into Latin. However, the usage of Dolores as a given name has its origins in the strong influence that the Roman Catholic Church has on Spain and, by extension, Spanish-speaking countries. The name is a reference to Nuestra Señora de los Dolores, one of the many titles of Mary, Mother of Jesus, typically translated to Our