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The oral cavity (mouth) includes the lips, cheeks, palate (roof of the mouth), floor of the mouth and the part of the tongue in the mouth (oral tongue). A mucous membrane lines and protects the inside of the mouth. The structures in the oral cavity play an important role in speech, taste and the first steps of digestion.
Note: The lining of the lips and cheeks (buccal mucosa) are not shown.
The oral cavity begins at the border between the skin and the lips (vermillion border). The roof of the mouth is formed by the hard palate. The oral cavity leads into the oropharynx, which includes the soft palate, the back of the tongue and the tonsils. The inner surface of the cheeks forms the sides of the oral cavity. The lowest part of the oral cavity is the floor of the mouth, which is covered by the tongue.
The oral cavity can be divided into specific areas, including:
The function of the oral cavity and its structures is to begin the process of digestion. The oral cavity receives food, chews and mixes it with saliva and then begins the swallowing process. The taste buds on the tongue provide the different sensations of taste. The oral cavity plays an important role in speech. The mouth is also used for breathing, drinking, facial expressions and social interactions (such as kissing).
We all need our own personal support system, but no matter how good your own personal support system is, it’s not the same as connecting with other survivors.
The Canadian Cancer Society is actively lobbying the federal government to establish a national caregivers strategy to ensure there is more financial support for this important group of people.