| antra | Plural of antrum. (05 Mar 2000) |
|---|---|
| antra ethmoidalia | ethmoidal sinuses |
| antral | <anatomy> Relating to an antrum. Source: Websters Dictionary (01 Mar 1998) |
| antral sphincter | Angular sphincter, thickening of the circular muscular layer forming a proposed intermediate sphincter at the level of the angular notch of the stomach. While the thickening of the circular muscle may indicate the commencement of the pyloric antrum, true functional sphincteric activity distinct from the other peristaltic contractions of the stomach is not observed although some of these may in fact temporarily close off the antrum from the remainder of the stomach lumen. Synonym: antral sphincter, midgastric transverse sphincter, sphincter antri, sphincter intermedius, sphincter of antrum, sphincter of gastric antrum. (05 Mar 2000) |
| antrectomy | 1. Removal of the walls of an antrum. 2. Removal of the antrum (distal half) of the stomach; often combined with bilateral excision of portions of vagus nerve trunks (vagectomy) in treatment of peptic ulcer. Origin: antrum + G. Ektome, excision (05 Mar 2000) |
| antro- | An antrum. Origin: L. Antrum, from G. Antron, a cave (05 Mar 2000) |
| antroduodenectomy | Surgical removal of the antrum of the stomach and the ulcer-bearing part of the duodenum. (05 Mar 2000) |
| antronasal | Relating to a maxillary sinus and the corresponding nasal cavity. (05 Mar 2000) |
| antrophose | A subjective sensation of light or colour originating in the visual centres of the brain. See: phosphene. Origin: antro-+ G. Phos, light (05 Mar 2000) |
| antropyloric | Related to or affecting the pyloric antrum. (05 Mar 2000) |
| antrorse | Directed forwards or upwards. Compare: retrorse. (09 Oct 1997) |
| antroscope | <instrument> An instrument to aid in the visual examination of any cavity, particularly the antrum of Highmore maxillary sinus. Origin: antro-+ G. Skopeo, to view (05 Mar 2000) |
| antroscopy | Examination of any cavity, especially of the antrum of Highmore, by means of an antroscope. (05 Mar 2000) |
| antrostomy | Formation of a permanent opening into any antrum (maxillary sinus). Origin: antro-+ G. Stoma, mouth (05 Mar 2000) |
| antrotomy | Incision through the wall of any antrum. Origin: antro-+ G. Tome, incision (05 Mar 2000) |