In brief: Abnormal wrist bone. The lunate is one of eight bones in the wrist. It is shaped like a half-moon and therefore called the lunate. Breakdown of this bone is known as kienbock's disease. The exact cause of this condition is not known. It may be related to various anatomical features unique to you. It may be genetically related.
Quick Answer. Atypical cells, the presence of which is sometimes called dysplasia, have a number of causes that range from infection and/or inflammation to normal aging. Atypical cells usually revert back into normal cells once the cause is identified and treated.
Atypical glandular cells are cells found in a mucousal region, primarily the cervix, which are behaving abnormally. They may be growing at a faster pace than normal or they may have a strange appearance that is not typical of normally functioning cells.