Anovulation is when the ovaries do not release an oocyte during a menstrual cycle. Therefore, ovulation does not take place. However, a woman who does not ovulate at each menstrual cycle is not necessarily going through menopause. Chronic anovulation is a common cause of infertility.
A DNA database or DNA databank is a database of DNA profiles. A DNA database can be used in the analysis of genetic diseases, genetic fingerprinting for criminology, or genetic genealogy. DNA databases may be public or private, but the largest ones are national DNA databases.he Australian national DNA database is called the National Criminal Investigation DNA Database (NCIDD). By the start of 2013, it contained 718,462 DNA profiles. The database uses 9 STR locations and a sex gene for analysis.
The System Database. A biometric system database stores all the information needed for processing biometric readings. When establishing access control parameters, the feature template is input into the database, sometimes along with biographical information specific to the user in order to enhance security levels.he System Database. A biometric system database stores all the information needed for processing biometric readings. When establishing access control parameters, the feature template is input into the database, sometimes along with biographical information specific to the user in order to enhance security levels.