What is spina bifida? Spina bifida is a neural tube defect that develops during the first month of pregnancy when the spinal column does not close completely. What are the effects of spina bifida? The effects of spina bifida are different for every person.
Tsavorite or tsavolite is a variety of the garnet group species grossular, a calcium-aluminium garnet with the formula Ca3Al2Si3O12. Trace amounts of vanadium or chromium provide the green color.
Fluorapatite is a naturally occurring calcium phosphate in the form of hydroxyl apatite. It is also the most common form of apatite. Just like Hydroxylapatite this material also makes up the enamel in teeth.Fluorapatite is a harder material than hydroxyl apatite and also helps in protection against tooth decay.luorapatite is a naturally occurring calcium phosphate in the form of hydroxyl apatite. It is also the most common form of apatite. Just like Hydroxylapatite this material also makes up the enamel in teeth.