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.
The temporal lobe is home to an area located directly behind the ears that is known as the primary auditory complex. This area of the brain receives sound information from the ears and processes the sound into meaning. The frontal area of the temporal lobe that is located closer to the face plays a role in vision.