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.
It is commonly made in aluminum and vinyl, as well as fiber cement, wood, and steel. For this article, weâll focus on soffit for its primary use â the roof overhang. Soffit serves both an aesthetic and functional purpose for a buildingâs roofing system. Itâs the skin that covers your eaves â without it, you would see your rafter beams fully exposed. Cover it up with soffit, in the style and color that you like, and you add some instant and easy character to your building.