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.
Informal work â family care, voluntary work, and undeclared or unregulated work â is a critical form of labor in todayâs economy, yet remains underanalyzed and examined. This volume develops a comprehensive conceptual framework of informal work and analyses systematically the relationship of formal and informal work.