Oropharynx.html

The Oropharynx (oral part of the pharynx) reaches from the Uvula to the level of the hyoid bone.

It opens anteriorly, through the isthmus faucium, into the mouth, while in its lateral wall, between the two palatine arches, is the palatine tonsil.

Additional images

Viral pharyngitis. The oropharynx is swollen and red.

Sagittal section of nose mouth, pharynx, and larynx.

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To stomach	Mouth • Pharynx (nasopharynx, oropharynx, hypopharynx) • Esophagus (UES, LES) • Crop

Stomach	rugae – gastric pits – cardia/gland – fundus/gland – pylorus/gland – pyloric antrum – pyloric canal – greater curvature – lesser curvature – angular incisure

Intestine: small	Duodenum (Suspensory muscle, Major duodenal papilla, Minor duodenal papilla) • Duodenojejunal flexure • Jejunum • Ileum • Ileocecal valve continuous (intestinal villus, crypts of Lieberkühn, circular folds)

Intestine: large	Vermiform appendix • Cecum • Colon (ascending colon, hepatic flexure, transverse colon, splenic flexure, descending colon, sigmoid colon) continuous (taenia coli, haustra, epiploic appendix)

Termination	Rectum: Houston valve • rectal ampulla • pectinate line Anal canal: anal valves • anal sinuses • anal columns • Hilton's white line Anus: Sphincter ani internus muscle • Sphincter ani externus muscle

Lymph	GALT: Peyer's patches (M cells)

External nose	Nostril • Nasal septum • cartilages (of the septum, Greater alar, Lesser alar, Lateral nasal, Accessory nasal, Vomeronasal) • Olfactory glands

Nasal cavity	Nasal concha • Sphenoethmoidal recess • Ethmoid bulla • Semilunar hiatus • Maxillary hiatus • Inferior meatus • Vomeronasal organ • Paranasal sinuses

Naso-pharynx	Choana - Pharyngeal opening of auditory tube (Salpingopharyngeal fold, Salpingopalatine fold, Torus tubarius) - Pharyngeal tonsil - Pharyngeal recess

Palate/roof of mouth	Hard palate • Soft palate • Palatine raphe • Incisive papilla

Tongue	dorsum (Taste bud, Median sulcus, Terminal sulcus, Foramen cecum, Lingual tonsils) • underside (Frenulum, Plica fimbriata, Sublingual caruncle) • Anterior • Posterior • Glossoepiglottic folds

Teeth	Permanent (Incisor, Canine, Premolar, Molar) • Deciduous

Oro-pharynx	arches/fauces (Palatoglossal, Palatopharyngeal) • Oropharyngeal isthmus • Palatine tonsil • Uvula

Salivary glands	Parotid gland/Parotid duct • Submandibular gland/Submandibular duct • Sublingual gland/Major sublingual duct

Other	Lip (Upper, Lower) • Philtrum • Pterygomandibular raphe • Vestibule of mouth