What are the 2 main divisions areas of the oral cavity?
The oral cavity is surrounded by the lips and is composed of two separate regions, the vestibule, the area between the cheeks, teeth, and lips, and the oral cavity proper.
What are palatoglossal tonsils?
Overview. The palatine tonsils are dense compact bodies of lymphoid tissue that are located in the lateral wall of the oropharynx, bounded by the palatoglossus muscle anteriorly and the palatopharyngeus and superior constrictor muscles posteriorly and laterally.
What is the definition of oral cavity?
Listen to pronunciation. (OR-ul KA-vih-tee) Refers to the mouth. It includes the lips, the lining inside the cheeks and lips, the front two thirds of the tongue, the upper and lower gums, the floor of the mouth under the tongue, the bony roof of the mouth, and the small area behind the wisdom teeth.
Where is the Fauces located?
oropharynx
The fauces is a part of the oropharynx directly behind the oral cavity as a subdivision, bounded superiorly by the soft palate, laterally by the palatoglossal and palatopharyngeal arches, and inferiorly by the tongue. The arches form the pillars of the fauces.
What are three landmarks of the oral cavity?
Landmarks of the oral tissues include the palate, tongue, cheeks and floor of the mouth. It is significant to recognize the normal appearance of these structures during an intraoral examination of the patient.
What is the corner of the mouth called?
commissure
The commissure is the corner of the mouth, where the vermillion border of the superior labium (upper lip) meets that of the inferior labium (lower lip). The commissure is important in facial appearance, particularly during some functions, including smiling. As such it is of interest to dental surgeons.
What is located between palatoglossal and palatopharyngeal Arches?
The space between the tongue and palatoglossal and palatopharyngeal arches is called the tonsillar fossa (sinus), and it is where the palatine tonsils are located.
What is between the palatoglossus and palatopharyngeus?
The lateral walls of the oropharynx are delineated by the anterior and posterior tonsillar pillars, which are mucosal folds overlying the palatoglossus and the palatopharyngeus muscles, respectively, with the tonsillar fossa occupying the space between these two pillars.
What are the boundaries of oral cavity?
The oral cavity is bounded anteriorly by the lips, laterally by the cheeks, superiorly by the hard palate, and inferiorly by the mucosa covering the superior surface of the tongue and the sheet of muscles attaching to the inner side of the mandible, including geniohyoid, mylohyoid, and digastric.
What is inside of cheek called?
It’s also called the oral cavity. The inner lining of your cheek is known as the buccal mucosa.
What is pillars of the fauces?
Medical Definition of pillar of the fauces : either of two curved folds on each side that bound the fauces and enclose the tonsil. — called also arch of the fauces, palatine arch.
What is the structure of the isthmus of the Fauces?
The isthmus of the fauces or the oropharyngeal isthmus is a part of the oropharynx directly behind the mouth cavity, bounded superiorly by the soft palate, laterally by the palatoglossal arches, and inferiorly by the tongue.