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 under-eave soffit conceals the rafter tails and gives the roof a finished look. In new construction, builders often install continuous perforated soffit vents that allow fresh air to enter along the entire soffit length. In an existing house, however, the soffit is usually solid wood or composite board.