Centimeters and Inches The centimeter 1 is a common unit of length from the metric system. It is equal to 10 millimeters and 0.01 meter. In other words, one meter consists of 100 centimeters.
Penumbra is a partial outer shadow that is lighter than the darker inner shadow umbra (e.g. the area between complete darkness and complete light in an eclipse). It is a friâ¦nge section of half shadow resulting from the partial obstruction of light by an opaque object.
The dura is the thin, tissue-paper like membrane that encases the nerve roots in the lumbar spine and spinal cord (located up in the thoracic and cervical spines) and contains the cerebral spinal fluid. During spine surgery, there exists the possibility that a small rent (or tear) of the dura will occur.