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.
Ceruminosis refers to the excessive build-up of wax in the ear canal. Symptoms include itching in the ear, sharp pain behind ear and muffled hearing. Excessive ear wax builds up if the ear canal is to narrow, if the ear glands produce too much ear wax or if the ear wax is pushed in while using ear buds.