Pharyngeal Anatomy

The mandible pterygoid muscles and hyoid apparatus are located laterally. Veins of the same name drain either into the pterygoid venous plexus.

Arteries Of Oral And Pharyngeal Regions Arterial Supply Of

Sympathetic fibres from the superior cervical.

Pharyngeal anatomy. Branches from the external laryngeal nerve. Rathkes pouch it is reminiscent of buccal mucosal invagination to form anterior lobe of pituitary4. Pharyngeal branches from the glossopharyngeal nerve cn ix.

Tubal tonsil collection of subepithelial lymphoid tissue situated at the tubal elevation. The muscles of the pharynx are supplied by the pharyngeal plexus. The are two groups of muscles in the wall of the pharynx.

There are two kinds of muscles that create the pharynx walls circular and longitudinal. The pharynx is a tube made of muscles. The pharynx is attached above to the base of the skull and is continuous below approximately at the level of vertebra cvi cervical vertebrum c6 with the top of the esophagus.

Stylopharyngeus extends to the pharynx from the temporal bones styloid process. Salpingopharyngeus extends from the inferior cartilage of the eustachian tube. Palatopharyngeus extends from the oral cavitys hard palette.

The pharynx chamber serves both respiratory and digestive functions. The pharyngeal plexus which mainly overlies the middle pharyngeal constrictor is formed by. Throat cone shaped passageway leading from the oral and nasal cavities in the head to the esophagus and larynx.

Pharynges is the part of the throat behind the mouth and nasal cavity and above the esophagus and larynx the tubes going down to the stomach and the lungs. There are three paired longitudinal muscles in the human pharynx 10. The pharynx is a muscular funnel extending about 13 cm 5 in from the posterior nasal apertures to the larynx.

An interactive quiz covering the regions linings openings of the pharynx through multiple choice questions and featuring the iconic gbs illustrations. Pharynx anatomy and muscles. Most lymph drains back to.

It is found in vertebrates and invertebrates though its structure varies across species. The pharynx is located between the base of the skull and the first two cervical vertebrae dorsally and the larynx ventrally. Pharyngeal bursa it is the small median recess in the mucosa covering the tonsil3.

Pharyngeal branch of the vagus nerve cn x. Both forms of muscles are innervated from the vagus nerve excluding the stylopharyngeus that is innervated from the glossopharyngeal nerve.

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