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The cause of nocturnal penile tumescence is not known with certainty. In a wakeful state, in the presence of mechanical stimulation with or without an arousal, erection is initiated by the parasympathetic division of the autonomic nervous system with minimal input from the central nervous system. [5]
Since the disc is an avascular structure, it is an ideal environment for the growth of anaerobic bacteria. Propionibacterium acnes bacteria secrete propionic acid, which can dissolve fatty bone marrow and bone. Therefore, it was hypothesized that diffusion of propionic acid from the disc into the vertebrae results in bone oedema, i.e. Modic ...
Disc herniation can occur in any disc in the spine, but the two most common forms are lumbar disc herniation and cervical disc herniation. The former is the most common, causing low back pain (lumbago) and often leg pain as well, in which case it is commonly referred to as sciatica .
There is a disc between each of the vertebrae in the spine. A healthy, well-hydrated disc will contain a great deal of water in its center, known as the nucleus pulposus, which provides cushioning and flexibility for the spine. Much of the mechanical stress that is caused by everyday movements is transferred to the discs within the spine and ...
Slipped disc is most frequently used as an informal and misleading name for the medical condition known as spinal disc herniation (prolapsus disci intervertebralis). While the spelling with a "c" is proper in anatomy, it is often spelled with a "k" (disk) in other situations. It can also refer to the following:
Waking up earlier in the morning increases the response. [ 11 ] Shift work : nurses working on morning shifts with very early awakening (between 4:00–5:30 a.m.) had a greater and prolonged cortisol awakening response than those on the late day shift (between 6:00–9:00 a.m.) or the night shift (between 11:00 a.m.–2:00 p.m.). [ 12 ]
Rapper Cardi B was presenting Demi Lovato's performance of "Sorry Not Sorry" at the 2017 MTV Video Music Awards on Sunday night when she suffered a major nip slip that forced the producers to cut ...
In chiropractic, a vertebral subluxation means pressure on nerves, abnormal functions creating a lesion in some portion of the body, either in its action or makeup (defined by D.D. Palmer and B.J. Palmer, founders of chiropractic).