29 DBMS_DDL. This package provides access to some SQL data definition language (DDL) statements from stored procedures. It also provides special administration operations that are not available as Data Definition Language statements (DDLs).
Anatomy of the mouth. The mouth, consists of 2 regions, the vestibule and the oral cavity proper. The vestibule is the area between the teeth, lips and cheeks. The oral cavity is bounded at the sides and in front by the alveolar process (containing the teeth) and at the back by the isthmus of the fauces.
The main parts of Human Mouth Anatomy The mouth provides the opening through which food and air can enter the human body. Its anatomic boundaries are defined by the lips at the front, the cheeks at the sides, the tongue and floor of mouth at the bottom, the palate at the top, and the oropharynx at the back.