CAUSES OF HIGH AMMONIA. Ammonia is a normal by-product of processing nitrogen in the body, and is excreted as waste in the urine, in healthy people. However, elevated blood ammonia levels can occur when the kidneys or liver are not working properly, allowing this waste to remain in the bloodstream, which can be poisonous to your cells.
Spina bifida research scientists are looking at a possible genetic cause of spina bifida. The goal of this research is to find the genetic factors that make some children more susceptible to neural tube defects than others.
Spina Bifida Occulta Definition. Spina bifida is an abnormal development of the bones of the spine and is the most common congenital spine abnormality. One of the most common forms is spina bifida occulta. It is known as occulta (Latin for âhiddenâ) because no opening of the skin is evident and because the condition typically is asymptomatic.