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.
Soffit vents are a key element of a home's attic ventilation system. Proper attic ventilation saves energy and prolongs the life of the roof, especially in areas that experience both hot summers and freezing winters. In summer, solar heat transfers through the roof into the attic, where it can superheat the air.