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.
Type I is the only type of Chiari malformation that can be acquired. Type II. This is usually only seen in children born with spina bifida. Spina bifida is the incomplete development of the spinal cord and/or its protective covering.Type II is also known as classic Chiari malformation or Arnold-Chiari malformation.ype I is the only type of Chiari malformation that can be acquired. Type II. This is usually only seen in children born with spina bifida. Spina bifida is the incomplete development of the spinal cord and/or its protective covering.