| IRE | internal rotation in extension; iron-responsive element; isolated rabbit eye |
|---|---|
| IRF | idiopathic retroperitoneal fibrosis; impulse response function; interferon regulatory factor; intern... |
| IRS | immunoreactive secretion; infrared spectrophotometry; insulin receptor species; insulin receptor sub... |
| ISH | icteric serum hepatitis; in situ hybridization; internal self helper; International Society of Hemat... |
| ITA | inferior temporal artery; internal thoracic artery; International Tuberculosis Association |
| vomerorostral canal | A small canal between the superior border of the vomer and the rostrum of the sphenoidal bone. Synonym: canalis vomerorostralis, vomerobasilar canal. (05 Mar 2000) |
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| vomerovaginal canal | An opening between the vaginal process of the sphenoid and the ala of the vomer on either side. It conveys a branch of the sphenopalatine artery. Synonym: canalis vomerovaginalis, basipharyngeal canal, vomerine canal. (05 Mar 2000) |
| pelvic canal | The passage from the superior to the inferior aperture of the pelvis. (05 Mar 2000) |
| cervical axillary canal | Canal through which the subclavian vessels and brachial vessels reach the upper extremities (or extremity). (05 Mar 2000) |
| cervical canal | A fusiform canal extending from the isthmus of the uterus to the opening of the uterus into the vagina. Synonym: canalis cervicis uteri. (05 Mar 2000) |
| cervicoaxillary canal | Superior opening to the axilla, bounded by clavicle anteriorly, scapula posteriorly and first rib medically. Axillary vessels and brachial plexus are transmitted. (05 Mar 2000) |
| mental canal | The anterior opening of the mandibular canal on the body of the mandible lateral to and above the mental tubercle giving passage to the mental artery and nerve. Synonym: foramen mentale, mental canal. (05 Mar 2000) |
| pericardioperitoneal canal | The portion of the embryonic celom that joins the pericardial cavity to the peritoneal cavity, developing into the pleural cavities. Synonym: pleural canal. (05 Mar 2000) |
| greater palatine canal | The canalis formed between the maxilla and palatine bones; it transmits the descending palatine artery and the greater palatine nerve. Synonym: canalis palatinus major, pterygopalatine canal. (05 Mar 2000) |
| persistent atrioventricular canal | A condition that is caused when the atrial and ventricular septa fail to meet, as in normal development, resulting in a low atrial and high ventricular septal defect or a common atrioventricular canal. Synonym: endocardial cushion defect. (05 Mar 2000) |
| gubernacular canal | A small canal located between the permanent tooth germ and the apex of the deciduous tooth, containing remnants of dental lamina and connective tissue. (05 Mar 2000) |
| gynecophoric canal | A ventral groove running the length of male schistosome flukes, into which the threadlike female worm fits. (05 Mar 2000) |
| root canal | <dentistry> A procedure where the nerve of a heavily decayed tooth is removed from the tooth replaced with a filling material (08 Jan 1998) |
| root canal file | A pointed, flexible, steel intracanal instrument used in rasping canal walls. (05 Mar 2000) |
| root canal filling materials | Materials placed inside a root canal for the purpose of obturating or sealing it. The materials may be gutta-percha, silver cones, paste mixtures, or other substances. (12 Dec 1998) |