Floor Of Oral Cavity Muscles

The floor of mouth is bounded anteriorly and laterally by the lower gingiva medially by the oral tongue and posteriorly at the insertion of the anterior tonsillar pillar into the oral tongue.

Floor of oral cavity muscles. This is because there is a membrane that attaches the tongue to the floor of their oral. The floor of mouth is an oral cavity subsite and is a common location of oral cavity squamous cell carcinoma. The free posterior border of the mylohyoid muscle on each side forms one of the three margins of a larger triangular aperture a major route by which structures in the upper neck and infra temporal fossa of the head pass to and from structures in the floor of the oral cavity. The floor is formed by the mylohyoid muscles and is occupied mainly by the tongue.

A mucous membrane the oral mucosa lines the sides and under surface of the tongue to the gums lining the inner aspect of the jaw. During radiologic imaging for tnm classification of squamous cell carcinomas of the oral cavity and the floor of the mouth it is important to assess the extrinsic muscles of the tongue which include the hyoglossus and genioglossus muscles and the mandible as invasion of these structures is indicative of a t4 lesion figs 21 22. Asked by wiki user. It provides structural support to the floor of the mouth and pulls the larynx forward during swallowing.

Muscles that form the floor of the oral cavity are the. Floor of the mouth the floor of the mouth is a horizontally aligned u shaped space situated in the part of the oral cavity that lies beneath the tongue. For purposes of surgical planning the floor of the mouth is defined as the space between the mucosal surface and the mylohyoid muscle sling and comprising both structures 1. It is bordered by the hard palate in the upper front while the soft palate constitutes the upper back boundary 10 inferiorly it has various oral muscles glands tongue attachment to the oral cavity floor 7 through the flexible band of tissues known as lingual frenulum 21.

It receives the secretions from the submandibular and sublingual salivary glands. The floor of mouth is a u shaped space which extends and includes from the oral cavity mucosa superiorly and the mylohyoid muscle sling 2 3. The floor of the oral cavity consists of several structures. The mylohyoid genioglossus and geniohyoid muscles comprise the muscular floor of the oral cavity.

The oral cavity is situated anteriorly on the face under the nasal cavities. Anteriorly it opens to the face through the oral fissure while posteriorly the oral cavity communicates with the oropharynx through a narrow passage called the oropharyngeal isthmus also termed the. Muscular diaphragm comprised of the bilateral mylohyoid muscles.