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.
Secondly, the cuts would have to be much more precise since one can not simply caulk gaps in the joint like above in a painted product. One would expect to pay in the range of $12 - $20 a linear foot for stain grade crown, again depending on the species of the wood and size of the molding.