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.
Last updated: November 2015. The frontal lobe of the brain (located behind the forehead) handles all thought and voluntary behavior such as walking, speech, and problem solving, and some aspects of emotion. Development in this area really takes off between six and 12 months, when your baby becomes more mobile and verbal.