$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.
The placenta is composed of both maternal tissue and tissue derived from the embryo. The chorion is the embryonic-derived portion of the placenta. It is composed of trophoblasts, which you may remember are the cells that made up the outer cell layer of the blastocyst.et's review. The placenta is the composite structure of embryonic and maternal tissues that supplies nutrients to the developing embryo. The placenta serves three main functions: 1  Attach the fetus to the uterine wall. 2  Provide nutrients to the fetus.