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.
1 of the food put into the mouth before it passes beyond the mouth). 2  the parotid glands, the sublingual glands and the submaxillary glands (which. 3  to help with the process of chewing food). 4  the epiglottis (which prevents food from entering the larynx-at the upper-part of the respiratory system).he mouth (or oral cavity) is important for speech and communication, eating and digestion, and can also be used for breathing. The main structures inside the mouth are the teeth, tongue, tonsils, salivary glands and-at the back of the throat (not shown on the left). the epiglottis.