Basically, BC stands for before Christ and AD stands for Anno Domini, Latin for in the year of our Lord.. The transition point between BC and AD marks the approximate time when God incarnate came down to earth to live with His creation.
The only area that is involved is the spot direcly behind my right ear lobe where it sinks in, not futher behind where the gland or lymph node is. I have gotten swollen lymph nodes before, this is very different. My inner ear, and throat and all other surrounding areas aren't in pain at all.
They are: 1  Frontal lobe â located at the front of the brain, right behind the forehead. 2  Parietal lobe â located near the back and top of the head, above the ears. 3  Occipital lobe â a small region located at the back of the head.  Temporal lobe â located at the side of the head above the ears and below the frontal lobe.