Additional images. 1  Dura mater (spinal section) 2  Diagrammatic representation of a section across the top of the skull, showing the membranes of the brain, etc. 3  Diagrammatic transverse section of the medulla spinalis and its membranes. 4  Spinal cord. Spinal membranes and nerve roots.Deep dissection. 5  Spinal cord.
exists and is an alternate of . Amateur is a term that describes work done by nonprofessionals. <i>Amateur</i> is a term that describes work done by nonprofessionals.
A professional job typically signifies that someone is in the highest-level position in his profession, or has the potential for upward mobility with experience. A non-professional job usually means that you perform front-line or lowest-level duties in an industry or company. Laborer jobs and front-line sales and service jobs in retail are listed as examples of non-professional jobs on the University of Illinois website.