Floor Of The Pharynx

For the anatomical description the pharynx can be divided into three floors.

Floor of the pharynx.

The pharynx is divided into oropharynx and nasopharynx. The functions of the oral cavity. It is comprised of three parts. The tube begins at the base of the skull and ends inferior to the cricoid cartilage c6.

The primary function of the oral cavity is firstly the selection of food via taste yes but also of course via smell and sight. Oral cavity 2 parts. Within the pharynx the middle pharyngeal constrictor sits between the superior and inferior pharyngeal constrictor muscles. The pharynx or throat is a tube about five inches long composed of three parts.

To act as a guard against fungal and viral organism. The floor is provided by the soft palate. The muscles of these walls are inserted latero ventrally into the hyoid bone and the cartilages of the larynx. 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.

Glossopharyngeal vagus and sympathetic nerves. The bottom of your mouth located under your tongue is called the floor. It acts as the first line of defense. 1 oral vestibule 2 oral cavity proper oral vestibule slit space between teeth buccal gingiva and lips cheek.

Floor of the pharynx 1. 7th 9th 10th cranial nerves. Oral cavity pharynx radio anatomy 1. It is important for taste sensation so it is innervated by 3 nerves.

Anatomy of oral cavity and pharynx dr mohit goel jr1 22 aug. Why are the tonsil arranged in a ring form. 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. 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.

The pharynx is a wide short tube with muscular dorsal and lateral walls. It is also connected to the tympanic cavity of the middle ear through the auditory tubes that open on both lateral walls. Tongue largest single muscular organ in oral cavity. But there are secondary functions.

The act of swallowing opens briefly the normally collapsed. The nasopharynx oropharynx and laryngopharynx from superior to inferior. Development of thyroid gland. The nasopharynx the oropharynx and the laryngopharynx.

How is the pharyngeal plexuses formed. The pharynx is a muscular tube that connects the nasal cavities to the larynx and oesophagus. Thick fibres of muscle and connective tissue attach the pharynx to the base of the skull and surrounding structures. The upper floor the nasopharynx is primarily a passageway for air and secretions from the nose to the oral pharynx.

It is common to both the alimentary and the respiratory tract. Both circular and longitudinal muscles occur in the walls of the pharynx. Vestibule communicates with exterior through mouth. The oral mucosa are the tissues that line the interior of your mouth while the salivary glands produce saliva.

Floor of the pharynx development of the tongue.