Thyroid peroxidase (TPO), an enzyme normally found in the thyroid gland, plays an important role in the production of thyroid hormones. A TPO test detects antibodies against TPO in the blood.hyroid peroxidase (TPO), an enzyme normally found in the thyroid gland, plays an important role in the production of thyroid hormones. A TPO test detects antibodies against TPO in the blood.
Community development district. A community development district (CDD) is a local, special-purpose government framework authorized by Chapter 190 of the Florida Statutes as amended, and is an alternative to municipal incorporation for managing and financing infrastructure required to support development of a community. Contents.
1 CMD is commonly used to mean command: 2  CMD.EXE (Command Prompt), the command-line interpreter on Windows operating systems. 3  Command (computing), an abbreviation commonly used in computing. 4  Command key (â), a modifier key present on Apple Keyboards.  CMD file (CP/M), the filename extension used by executable programs.