Floor Of The Pharynx

The functions of the oral cavity.

Floor of the pharynx.

Tongue largest single muscular organ in oral cavity. Having selected the food then the mouth ingests the food takes the food in masticates the food chews it and swallows the food so that it goes down to the rest of the digestive tract. Why are the tonsil arranged in a ring form. Floor of oral pharynx under the mucus membrane covering the root of the tongue.

Floor of the pharynx development of the tongue. To act as a guard against fungal and viral organism. For the anatomical description the pharynx can be divided into three floors. The tube begins at the base of the skull and ends inferior to the cricoid cartilage c6.

The nasopharynx oropharynx and laryngopharynx from superior to inferior. Throat cone shaped passageway leading from the oral and nasal cavities in the head to the esophagus and larynx the pharynx chamber serves both respiratory and digestive functions. The primary function of the oral cavity is firstly the selection of food via taste yes but also of course via smell and sight. Both circular and longitudinal muscles occur in the walls of the pharynx.

But there are secondary functions. The act of swallowing opens briefly the normally collapsed. Vestibule communicates with exterior through mouth. Development of thyroid gland.

The pharynx is divided into oropharynx and nasopharynx. Thick fibres of muscle and connective tissue attach the pharynx to the base of the skull and surrounding structures. The pharynx or throat is a tube about five inches long composed of three parts. 1 oral vestibule 2 oral cavity proper oral vestibule slit space between teeth buccal gingiva and lips cheek.

The nasopharynx the oropharynx and the laryngopharynx. It is common to both the alimentary and the respiratory tract. Size of opening is controlled circumoral muscles such as orbicularis oris buccinator depressors and. The middle pharyngeal constrictor is located on the lateral and posterior sides of the neck it is found anterior to the prevertebral muscles such as longus coli and longus capitis and posterior to the muscles of the mouth floor most notably the hyoglossus muscle.

It is important for taste sensation so it is innervated by 3 nerves. Oral cavity 2 parts. The bottom of your mouth located under your tongue is called the floor. Floor of the pharynx 1.

Glossopharyngeal vagus and sympathetic nerves. How is the pharyngeal plexuses formed. The pharynx is a wide short tube with muscular dorsal and lateral walls. The muscles of these walls are inserted latero ventrally into the hyoid bone and the cartilages of the larynx.

Anatomy of oral cavity and pharynx dr mohit goel jr1 22 aug. 7th 9th 10th cranial nerves. Oral cavity pharynx radio anatomy 1. It is also connected to the tympanic cavity of the middle ear through the auditory tubes that open on both lateral walls.

The oral mucosa are the tissues that line the interior of your mouth while the salivary glands produce saliva. It is comprised of three parts. The floor is provided by the soft palate. The upper floor the nasopharynx is primarily a passageway for air and secretions from the nose to the oral pharynx.

Floor of the pharynx 2.