Subependymal grey matter heterotopia, also known as periventricular heterotopia, is the most common form of grey matter heterotopia and is characterised by nodules of grey matter located immediately beneath the ependyma of the lateral ventricles. It can be divided according to morphology into 2 :
The cost of crown molding depends largely on the material, finish, and detail of the design you choose. Basic styles may cost as little as $2-$3 per linear foot, while custom designed and cut moldings prepared by a finish carpenter cost $8-$10 or more per linear foot.
Did it myself for ~150$ USD (already had a compount miter saw and the air gun) 4 corners, 2 open edges, 60 linear feet of crown molding. 60 linear feet of crown molding, one room, four inside corners, 3 5/8 crown molding, caulked.