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.
How to Repair a Rotted Soffit. Roof repairs typically involve replacing damaged shingles and rusted flashing, but the overhang of a roof is often the first area to succumb to rot, peeling paint and other weather-related problems. The good news is, unlike most roof repairs, you can fix an eave or gable overhang (rake) without climbing onto the roof.