11-16mm
Central canal stenosis with an anterior-posterior (AP) diameter of 9mm indicates a narrowing of the central spinal canal, which is the space within the spine that houses the spinal cord and nerve roots. An AP diameter of 9mm is generally considered to be below the normal range, potentially leading to compression of the spinal cord or nerves. This condition can result in symptoms such as pain, numbness, or weakness in the extremities, depending on the severity and location of the stenosis. Evaluation by a healthcare professional is recommended for appropriate management.
The spinal canal is usually more than 0.5 in (12 mm) in diameter. A smaller diameter indicates stenosis. The diameter of the cervical spine ranges is 0.6-1 in (15-12 mm). Any opening under 0.5 in (13 mm)in diameter is considered evidence of stenosis.
The central, or Haversian, canal. The canal runs through the core of each osteon.
what is the function for central canal
internal OS
cervical
cervical curvature
It means the canal and foramina are normal in size and allows for nerves to pass through freely without restriction.
what ismoderate central canal narrowing
This means that the openings in the canal and foramina are normal in size, thus there is no restrictions that would cause any nerve problems.
cervical canal, then the vagina.
The opening at the lower end of the uterus is the internal cervical os. It leads to the cervical canal, through the exernal os, and into the vagina.