What is meant by âHepatitis B Virus is Positiveâ? If HBs-Ag is the only Positive: it is means that it is HBV is recent infection which indicate acute hepatitis B virus and Liver function panel should be ordered to define health status of the liver.
An intervertebral disk acts as shock absorber between each of the vertebrae in the spinal column by keeping the vertebrae separated when there is impact from activity. They also serve to protect the nerves that run down the middle of the spine and intervertebral disks.
Abstract. 1  Degeneration of the intervertebral disk (IVD) is a major pathological process implicated in low back pain and is a prerequisite to disk herniation. Although mechanical stress is an important modulator of the degeneration, the underlying molecular mechanism remains unclear.