| pars inferior duodeni | pars horizontalis duodeni, inferior part of duodenum, pars inferior duodeni |
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| pars ascendens duodeni | The terminal or fourth part of the duodenum, ascending from the horizontal part to the jejunum. Synonym: pars ascendens duodeni. (05 Mar 2000) |
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| pars descendens duodeni | pars descendens duodeni |
| pars horizontalis duodeni | pars horizontalis duodeni, inferior part of duodenum, pars inferior duodeni |
| pars superior duodeni | pars superior duodeni |
| flexura duodeni inferior | The bend at the junction of the descending and horizontal parts of the duodenum. Occasionally a bend, the left inferior duodenal flexure, occurs at the junction of the horizontal and ascending parts. Synonym: flexura duodeni inferior. (05 Mar 2000) |
| ampulla duodeni | The dilated portion of the superior part of the duodenum. Synonym: ampulla duodeni. See: duodenal cap. Synonym: hepatopancreatic ampulla. (05 Mar 2000) |
| papilla duodeni major | Point of opening of the common bile duct and pancreatic duct into the duodenum; it is located posteriorly in the descending part of the duodenum. Synonym: papilla duodeni major, bile papilla, papilla of Vater, Santorini's major caruncle. (05 Mar 2000) |
| papilla duodeni minor | The site of the opening of the accessory pancreatic duct into the duodenum, located anterior to and slightly superior to the major papilla. Synonym: papilla duodeni minor, Santorini's minor caruncle. Nerve papilla, one of the papillae in the dermis containing a tactile corpuscle or other form of end organ. Synonym: neurothele. (05 Mar 2000) |
| plica longitudinalis duodeni | A fold of mucosa on the medial wall of the descending part of the duodenum above the major duodenal papilla, probably caused by the relation to the common bile duct. Synonym: plica longitudinalis duodeni. (05 Mar 2000) |
| musculus suspensorius duodeni | A broad flat band of smooth muscle and fibrous tissue attached to the right crus of the diaphragm and to the duodenum at its junction with the jejunum. Synonym: musculus suspensorius duodeni, Treitz's ligament, Treitz's muscle. (05 Mar 2000) |
| flexura duodeni superior | The flexure at the junction of the superior and descending parts of the duodenum. Synonym: flexura duodeni superior. (05 Mar 2000) |
| pars inferior | The lowermost portion of a structure relative to the other parts; portion closest to the soles of the feet. See: inferior part of duodenum, inferior part of lingular branch of left pulmonary vein, inferior part of vestibular ganglion. Synonym: pars inferior. (05 Mar 2000) |
| pars inferior ganglii vestibularis | The lower part of the vestibular ganglion that receives fibres from the macula of the saccule and the ampulla of the posterior saemicircular duct. Synonym: pars inferior ganglii vestibularis. (05 Mar 2000) |
| pars inferior rami lingularis | An alternate term for inferior part of lingular branch of left pulmonary vein. (05 Mar 2000) |
| inferior dental branches of inferior dental plexus | Branches passing from the inferior dental plexus to the roots of the teeth of the lower jaw. Synonym: rami dentales inferiores plexus dentalis inferioris. (05 Mar 2000) |