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From Embryology

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Sagittal section of Nose, Mouth, Pharynx, and Larynx

The cavity of the mouth is placed at the commencement of the digestive tube and is a nearly oval-shaped cavity which consists of two parts: an outer, smaller portion, the vestibule, and an inner, larger part, the mouth cavity proper.

The Vestibule (vestibulum oris) is a slit-like space, bounded externally by the lips and cheeks; internally by the gums and teeth.

The Mouth Cavity Proper (cavum oris proprium) is bounded laterally and in front by the alveolar arches with their contained teeth; behind, it communicates with the pharynx by a constricted aperture termed the isthmus faucium. It is roofed in by the hard and soft palates, while the greater part of the floor is formed by the tongue, the remainder by the reflection of the mucous membrane from the sides and under surface of the tongue to the gum lining the inner aspect of the mandible. It receives the secretion from the submaxillary and sublingual salivary glands.



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Reference

Gray H. Anatomy of the human body. (1918) Philadelphia: Lea & Febiger.


Cite this page: Hill, M.A. (2024, June 17) Embryology Gray0994.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Gray0994.jpg

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current06:35, 23 November 2010Thumbnail for version as of 06:35, 23 November 2010600 × 861 (151 KB)S8600021 (talk | contribs)==Sagittal section of Nose, Mouth, Pharynx, and Larynx== The cavity of the mouth is placed at the commencement of the digestive tube and is a nearly oval-shaped cavity which consists of two parts: an outer, smaller portion, the vestibule, and an inner, l