Palatine tonsils and tubal tonsils (lymphoid tissueĪround the opening of the auditory tube in the The lateral part of the ring is formed by the Into the respiratory and digestive systems forms The lymphoid tissue that surrounds the opening.O Form the lateral aspect of the Waldeyer’s ring Figure 10. The Eustachian tube in the lateral wall of the O refer to lymphoid tissue around the opening of O May also require removal during a tonsillectomy Figure 9. On the posterior one-third of the tongue. O refer collectively to numerous lymphoid nodules O Visible through the open mouth of a patient when Just posterior to the oropharyngeal isthmus. The palatoglossal and palatopharyngeal arches O are on each side of the oropharynx between when enlarged, is in the midline on the roof of the.Immune responses against inhaled or ingested strategically positioned to participate in.MUSCLES OF THE PHARYNX Outer Circular Pharyngeal Musclesįinally, the lower part of the pharyngeal wall (theĬricopharyngeus muscle) relaxes and the bolus enters the esophagus. Tonsillar branch of the facial artery, which penetrates the superior constrictor muscle. The major blood supply to the palatine tonsil is from the Pharyngeal branches from the inferior thyroidĪrtery, which originates from the thyrocervical Numerous branches of the maxillary and theĪll these vessels are from the external carotid artery.Īrteries that supply the lower parts of the pharynx include o O tonsillar branches of the facial artery, and o Supply upper parts of the pharynx include: Numerous vessels supply the pharyngeal wall. Pharyngoesphageal Junction – allows the passage of food from piriform recess into cervical esophagus Pirifom Fossa – pear shaped depression in the mucous membrane on each side of the laryngeal inlet LARYNGOPHARYNXĬricoid cartilage Lateral: Thyroid cartilage and thyrohyoid membrane Palatoglossal arch is a fold of mucous membrane covering the palatoglossus muscle Oropharyngeal Isthmus – interval between palatoglossal arches 1 of 6 B. Vallecula – depression on each side of the median glossoepiglottic fold Palatine Tonsil – between palatoglossal and palatopharyngeal arches Lateral glossoepiglottic fold - also situated between the postsulcal part of the tongue and partly attached to the wall of the pharynx Median glossoepiglottic fold - unpaired and situated in the midline between the postsulcal part of the tongue and the epiglottis Glossoepiglottic fold and from the hypopharynx by the O Inferiorly : separated from the larynx by the epiglottis and O Posteriorly : pharyngeal constrictor muscles and O Anteriorly: circumvallate papillae of the tongue and The interval between the tongue and epiglottis OROPHARYNXįormed by the posterior one third of the tongue and Salpingopharyngeal fold – vertical fold of mucous membrane covering the salpingopharyngeal muscle Figure 2. Pharyngeal Isthmus – between the palate and posterior pharyngeal wall, it communicates nasopharynx to oropharynxĪuditory tube opening on the lateral wall connects nasopharynx to tympanic cavity Tubal elevation – elevated ridge with the auditory tube in front S 00 // T 00 Surname, Surname, Surname Pharyngeal recess – depression behind tubal elevation Pharyngeal Tonsil – located at the submucosa of the roof a collection of lymphoid tissue O posteriorly, the prevertebral musculature covering C1 o Muscular tube made up of skeletal muscle lined by mucous membrane funnel shapedĬonnects the nasal cavity and oral cavity to the larynx and esophagusĮxtends from the base of the skull down to the inferior border of cricoid cartilage II. ❖ Identify the muscles origin, insertion, innervation, and action I. Appendix OBJECTIVES ❖ Describe the structure of the pharynx. Muscles of the Pharynx (see OINA in Appendix)Ī. PHARYNX GROSS ANATOMY (2ND Shifting) | (Dr.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |