Chiari surgery A posterior fossa decompression is a surgical procedure performed to remove the bone at the back of the skull and spine. The dura overlying the tonsils is opened and a patch is sewn to expand the space, similar to letting out the waistband on a pair of pants.
Undercapitalization - Undercapitalization refers to any scenario or context where companies are in a dire position of not being able to get the funding or monies they require.
derealization. loss of sensation of the reality of one's surroundings; the feeling that something has happened, that the world has been changed and altered, that one is detached from one's environment. It is seen most frequently in schizophrenia.See also depersonalization.erealization. loss of sensation of the reality of one's surroundings; the feeling that something has happened, that the world has been changed and altered, that one is detached from one's environment. It is seen most frequently in schizophrenia.