$34,750. The median annual wage for surgical technologists was $41,790 in May 2012. The median wage is the wage at which half the workers in an occupation earned more than that amount and half earned less. The lowest 10 percent earned less than $29,710, and the top 10 percent earned more than $60,240.he wage at which half of the workers in the occupation earned more than that amount and half earned less. Median wage data are from the BLS Occupational Employment Statistics survey. In May 2012, the median annual wage for all workers was $34,750.
A twisting cord of blood vessels, called the umbilical (um-bilâi-kal) cord, connects the embryo to the placenta. The best intensive care units found in modern hospitals hardly rival the placentaâs life-support capabilities. The yolk sac is another structure vitally important during early development.
Further information: Placenta. In placental mammals, the placenta forms after the embryo implants into the wall of the uterus. The developing fetus is connected to it via an umbilical cord. Animal placentas are classified based on the number of tissues separating the maternal from the fetal blood. The placentation types found in animals are: