Multiple types of neural tissues arise from the neural crest, including sympathetic ganglia, parasympathetic ganglia, spinal ganglia and the enteric nervous system. Non-neural cells derived from the neural crest include melanocytes, satellite cells of ganglia, Schwann cells and the adrenal medulla.
The definition of a soffit is the underside of a piece of architecture. An example of a soffit is the underside of an arch. soffit. the horizontal underside of an eave, cornice, etc. soffit.
The picture above shows which is which, and the two most common ways of installing them. The fascia board is nailed to the rafter feet and usually has a rebate or lip for the soffit boards to slot into.ifferent finishes/variations of the soffit can be achieved more commonly flat plain plywood is used although tongue and groove boards can be used or even battens with a spacing in between. In that instance mesh is used to stop birds or anything else getting into the roof space.