For volume shippers looking for the most economical ground delivery, Parcel Select is the best option available. As of January 27, 2013, Parcel Select was split into Parcel Select, for online purchasing, and Standard Post for purchasing at the Post Office.
Dorsalgia (medical condition): Pain felt in the back that usually originates from the muscles,...more Â». See also: Chronic Back pain: Â»Introduction: Chronic Back pain. Â»Symptoms of Chronic Back pain. Â»Causes of Chronic Back pain. Â»Treatments for Chronic Back pain. Dorsalgia: Back pain.
1 Autonomic ganglia can be classified as either sympathetic ganglia and parasympathetic ganglia.  A dorsal root ganglion (or spinal ganglion) is a nodule on a dorsal root of the spine that contains cell bodies of nerve cells (neurons) that carry signals from sensory organs toward the appropriate integration center.