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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]
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 .
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 ...
Here’s a nostalgic look at classic cartoons that once ruled the airwaves. From classics in the 1950s and '60s to more recent favorites from the 1980s and '90s, these toons are sure to bring back ...
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 ...
Saturday-morning cartoon" is a colloquial term for the original animated series and live-action programming that was typically scheduled on Saturday and Sunday mornings in the United States on the "Big Three" television networks.
The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.
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: