\n\n\n\n
![\"\"](\"https:\/\/meddists.com\/learn\/wp-content\/uploads\/2020\/09\/mouth-1024x979.png\")
Functions<\/h4>\n<\/span>\n\n\n- Food intake and processing<\/li>
- Speech<\/li>
- Breathing<\/li>
- Attacking and self-defense (biting)<\/li><\/ol>\n\n\n<\/span>\n
Divisions<\/h4>\n<\/span>\n\n\nThe mouth can be divided into 2 parts:<\/p>\n\n\n\n
- Oral vestibule<\/strong><\/li>
- Oral cavity proper<\/strong><\/li><\/ol>\n\n\n\n
Some authors include a third part known as the fauces<\/strong>, which is found deep to the oral cavity proper, but many associate it to the pharynx rather than the mouth.<\/p>\n\n\n<\/span>\nBorders and contents<\/h3>\n<\/span>\n\n<\/span>\nOral vestibule<\/h4>\n<\/span>\n\n\nSpans between the lips and cheeks to the alveolar arches, gingivae and the teeth. At rest, this space is collapsed.<\/p>\n\n\n<\/span>\nOral cavity proper<\/h4>\n<\/span>\n\n\nThe oral cavity proper describes the space inside the alveolar arches, bound by the palate superiorly, and the floor of the mouth inferiorly.<\/p>\n\n\n\n
At rest (when the mandible is closed), the oral cavity proper is filled with the tongue.<\/p>\n\n\n<\/span>\nPalate<\/h4>\n<\/span>\n\n\nThe palate is the arched roof of the oral cavity. Covered by mucosal surface, it is split into two parts \u2014 the anterior, bony part called hard palate<\/strong>, and the posterior, fleshy part called soft palate<\/strong>.<\/p>\n\n\n\n- The hard palate is formed by the palatine process of the maxilla<\/strong> and the horizontal plates of the palatine bone<\/strong><\/li>
- The soft palate is formed mainly by three muscles<\/a> and is covered by aponeurosis (palatine aponeurosis<\/strong>)<\/li><\/ul>\n\n\n\n
![\"\"](\"https:\/\/meddists.com\/wp-content\/uploads\/2018\/07\/palates-600x256.png\")
<\/a>Figure 2. Hard and soft palate<\/strong><\/figcaption><\/figure>\n\n\n<\/span>\nThe floor and diaphragm of the mouth<\/h4>\n<\/span>\n\n\nThe floor of the mouth is the U-shaped region located under the tongue. It is formed mostly by the mylohyoid muscle, geniohyoid, and the mucosal surface beneath the tongue. The diaphragm of the mouth<\/strong> is formed by the mylohyoid muscle.<\/p>\n\n\n<\/span>\nFauces<\/h4>\n<\/span>\n\n\nThe space between the oral cavity proper and the oropharynx \u2014 it is bound superiorly by the soft palate, inferiorly by the root of the tongue, and laterally by the palatoglossal<\/strong> and palatopharyngeal arches<\/strong>.<\/p>\n\n\n\nThe two arches are formed by two muscles with that name.<\/p>\n\n\n<\/span>\nIsthmus of the fauces<\/h4>\n<\/span>\n\n\nThe constricted space between the two arches, and in between the two arches we can find the palatine tonsils<\/strong>, part of Waldeyer\u2019s tonsillar ring<\/a>.<\/strong><\/p>\n\n\n\nClinical correlations<\/strong><\/p>\n\n\n\n- Recurrent infections of the palatine tonsils might lead to tissue damage and spreading to the parapharyngeal space, which is located right behind the tonsillar bed.<\/li>
- The supratonsillar fossa<\/strong> located above the tonsils is a frequent place where sharp foreign bodies (such as fish bones) might get stuck.<\/li><\/ul>\n\n\n<\/span>\n
Neurovasculature<\/h3>\n<\/span>\n\n<\/span>\nLips, cheeks, and gingivae<\/h4>\n<\/span>\n\n\n
Divisions<\/h4>\n<\/span>\n\n\nThe mouth can be divided into 2 parts:<\/p>\n\n\n\n
- Oral vestibule<\/strong><\/li>
- Oral cavity proper<\/strong><\/li><\/ol>\n\n\n\n
Some authors include a third part known as the fauces<\/strong>, which is found deep to the oral cavity proper, but many associate it to the pharynx rather than the mouth.<\/p>\n\n\n<\/span>\nBorders and contents<\/h3>\n<\/span>\n\n<\/span>\nOral vestibule<\/h4>\n<\/span>\n\n\nSpans between the lips and cheeks to the alveolar arches, gingivae and the teeth. At rest, this space is collapsed.<\/p>\n\n\n<\/span>\nOral cavity proper<\/h4>\n<\/span>\n\n\nThe oral cavity proper describes the space inside the alveolar arches, bound by the palate superiorly, and the floor of the mouth inferiorly.<\/p>\n\n\n\n
At rest (when the mandible is closed), the oral cavity proper is filled with the tongue.<\/p>\n\n\n<\/span>\nPalate<\/h4>\n<\/span>\n\n\nThe palate is the arched roof of the oral cavity. Covered by mucosal surface, it is split into two parts \u2014 the anterior, bony part called hard palate<\/strong>, and the posterior, fleshy part called soft palate<\/strong>.<\/p>\n\n\n\n- The hard palate is formed by the palatine process of the maxilla<\/strong> and the horizontal plates of the palatine bone<\/strong><\/li>
- The soft palate is formed mainly by three muscles<\/a> and is covered by aponeurosis (palatine aponeurosis<\/strong>)<\/li><\/ul>\n\n\n\n<\/a>
Figure 2. Hard and soft palate<\/strong><\/figcaption><\/figure>\n\n\n<\/span>\nThe floor and diaphragm of the mouth<\/h4>\n<\/span>\n\n\nThe floor of the mouth is the U-shaped region located under the tongue. It is formed mostly by the mylohyoid muscle, geniohyoid, and the mucosal surface beneath the tongue. The diaphragm of the mouth<\/strong> is formed by the mylohyoid muscle.<\/p>\n\n\n<\/span>\nFauces<\/h4>\n<\/span>\n\n\nThe space between the oral cavity proper and the oropharynx \u2014 it is bound superiorly by the soft palate, inferiorly by the root of the tongue, and laterally by the palatoglossal<\/strong> and palatopharyngeal arches<\/strong>.<\/p>\n\n\n\nThe two arches are formed by two muscles with that name.<\/p>\n\n\n<\/span>\nIsthmus of the fauces<\/h4>\n<\/span>\n\n\nThe constricted space between the two arches, and in between the two arches we can find the palatine tonsils<\/strong>, part of Waldeyer\u2019s tonsillar ring<\/a>.<\/strong><\/p>\n\n\n\nClinical correlations<\/strong><\/p>\n\n\n\n- Recurrent infections of the palatine tonsils might lead to tissue damage and spreading to the parapharyngeal space, which is located right behind the tonsillar bed.<\/li>
- The supratonsillar fossa<\/strong> located above the tonsils is a frequent place where sharp foreign bodies (such as fish bones) might get stuck.<\/li><\/ul>\n\n\n<\/span>\n
Neurovasculature<\/h3>\n<\/span>\n\n<\/span>\nLips, cheeks, and gingivae<\/h4>\n<\/span>\n\n\n
Some authors include a third part known as the fauces<\/strong>, which is found deep to the oral cavity proper, but many associate it to the pharynx rather than the mouth.<\/p>\n\n\n<\/span>\n Spans between the lips and cheeks to the alveolar arches, gingivae and the teeth. At rest, this space is collapsed.<\/p>\n\n\n<\/span>\n The oral cavity proper describes the space inside the alveolar arches, bound by the palate superiorly, and the floor of the mouth inferiorly.<\/p>\n\n\n\n At rest (when the mandible is closed), the oral cavity proper is filled with the tongue.<\/p>\n\n\n<\/span>\n The palate is the arched roof of the oral cavity. Covered by mucosal surface, it is split into two parts \u2014 the anterior, bony part called hard palate<\/strong>, and the posterior, fleshy part called soft palate<\/strong>.<\/p>\n\n\n\n The floor of the mouth is the U-shaped region located under the tongue. It is formed mostly by the mylohyoid muscle, geniohyoid, and the mucosal surface beneath the tongue. The diaphragm of the mouth<\/strong> is formed by the mylohyoid muscle.<\/p>\n\n\n<\/span>\n The space between the oral cavity proper and the oropharynx \u2014 it is bound superiorly by the soft palate, inferiorly by the root of the tongue, and laterally by the palatoglossal<\/strong> and palatopharyngeal arches<\/strong>.<\/p>\n\n\n\n The two arches are formed by two muscles with that name.<\/p>\n\n\n<\/span>\n The constricted space between the two arches, and in between the two arches we can find the palatine tonsils<\/strong>, part of Waldeyer\u2019s tonsillar ring<\/a>.<\/strong><\/p>\n\n\n\n Clinical correlations<\/strong><\/p>\n\n\n\nBorders and contents<\/h3>\n<\/span>\n\n<\/span>\n
Oral vestibule<\/h4>\n<\/span>\n\n\n
Oral cavity proper<\/h4>\n<\/span>\n\n\n
Palate<\/h4>\n<\/span>\n\n\n
<\/a>The floor and diaphragm of the mouth<\/h4>\n<\/span>\n\n\n
Fauces<\/h4>\n<\/span>\n\n\n
Isthmus of the fauces<\/h4>\n<\/span>\n\n\n
Neurovasculature<\/h3>\n<\/span>\n\n<\/span>\n
Lips, cheeks, and gingivae<\/h4>\n<\/span>\n\n\n