The 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.ertification is not required for physicians and surgeons; however, it may increase their employment opportunities. M.D.s and D.O.s seeking board certification in a specialty may spend up to 7 years in residency training; the length of time varies with the specialty.
The large fiber tract connecting the cerebral hemispheres is the corpus callosum. This huge bundle of nerve tissue lets the brain's right and left sides communicate. The corpus callosum is situated in the middle of the brain under the cerebrum, the largest section of the brain. Full Answer >.
The cortex is divided into two sections called the cerebral hemispheres, which are connected by a thick, tough band of neural fibers called the corpus callosum. The corpus cal â¦ losum allows the left and right hemispheres to communicate with each other.