Certain people are also more prone to anemia due to the following conditions: 1  Insufficient iron in the diets. 2  Children who experience sudden growth spurts. 3  Women who have been pregnant for four months or more. 4  Women who have given birth recently. 5  People who suffer from chronic kidney disease.
Seed crystal. A seed crystal is a small piece of single crystal / polycrystal material from which a large crystal of the same material typically is to be grown.
By depositing diamond on a diamond crystal (seed crystal) the size of the crystal can be increased. In this case new carbon atoms are added to the existing diamond lattice. This is called homoepitaxy. On non-diamond substrates a pretreatment of the surface is necessary to allow diamond formation.