1 Know what a set and an element are. 2  Write a mathematical statement with an equal sign or an inequality.  Identify what numbers belong to the set of natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.
Discogenic spondylosis, which is often thought of as a form of spinal osteoarthritis, refers to a degenerative condition that affects the joints of the spine.
Degenerative disc disease lumbar spine; DDD lumbar spine; disc desiccation lumbar spine; discogenic spondylosis lumbar spine; aggravation of pre-existing of any of the prior condition of the lumbar spine. Natural aging process that may be aggravated or accelerated by work injury.