| TTI | tension-time index; time-tension index; timepto-intubation; torque-time interval; transtracheal insu... |
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| MDT | mast [cell] degeneration test; mean dissolution time; median detection threshold; multidisciplinary ... |
| MTP | maximum tolerated pressure; medial tibial plateau; median time to progression; metacarpophalangeal; ... |
| 5 YSR | 5 Year Survival Rate |
| YSR | Year Survival Rate |
| median retruded relation | The most retruded physiologic relation of the mandible to the maxillae to and from which the individual can make lateral movements; it is a condition which can exist at various degrees of jaw separation, and it occurs around the terminal hinge axis, the most posterior relation of the mandible to the maxillae at the established vertical relation See: eccentric relation. Synonym: median retruded relation, median relation. (05 Mar 2000) |
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| median rhinoscopy | Inspection of the roof of the nasal cavity and openings of the posterior ethmoid cells and sphenoidal sinus by means of a long-bladed nasal speculum or nasopharyngoscope. (05 Mar 2000) |
| median sacral artery | <anatomy, artery> Origin, posterior aspect of abdominal aorta just above the bifurcation; distribution, lower lumbar vertebrae, sacrum, and coccyx; anastomoses, lateral sacral, superior and middle rectal. Synonym: arteria sacralis mediana, middle sacral artery. (05 Mar 2000) |
| median sacral crest | An unpaired crest formed by the fused spinous processes of the upper four sacral vertebrae. Synonym: crista sacralis mediana. (05 Mar 2000) |
| median sacral vein | <anatomy, vein> An unpaired vein accompanying the middle sacral artery receiving blood from the sacral venous plexus and emptying into the left common iliac vein. Synonym: vena sacralis mediana. (05 Mar 2000) |
| median section | A cross section attained by slicing in the median plane, actually or through imaging techniques, the body or any part of the body which occupies or crosses the median plane or by slicing any generally symmetrical anatomic structure, such as a finger or a cell, in its midline. Since actual sectioning the median plane results in a right and a left half, an anatomical median section may be a two-dimensional view of the cut surface on the medial aspect of either half. Synonym: midsagittal section. (05 Mar 2000) |
| median sternotomy | <surgery> An incision through the midline of the sternum usually used to gain access to the heart, mediastinal structures, and great vessels. (05 Mar 2000) |
| median strumectomy | <surgery> Removal of a median goiter or an enlarged isthmus of the thyroid gland. (05 Mar 2000) |
| median sulcus of fourth ventricle | <anatomy> The shallow midline groove in the floor of the ventricle. Synonym: sulcus medianus ventriculi quarti. (05 Mar 2000) |
| median thyrohyoid ligament | <anatomy> The central thickened portion of the thyrohyoid membrane. Synonym: ligamentum thyrohyoideum medianum, ligamentum hyothyroideum medium. (05 Mar 2000) |
| median tongue bud | A small median protuberance on the floor of the oral cavity of the embryo between the mandibular and hyoid arches, which plays a minor role in the development of the tongue. Synonym: median tongue bud. (05 Mar 2000) |
| median umbilical fold | A fold of peritoneum on the anterior wall of the abdomen covering the urachus, or remains of the allantoic stalk. Synonym: plica umbilicalis mediana, middle umbilical fold, plica umbilicalis media, plica urachi, urachal fold. (05 Mar 2000) |
| median umbilical ligament | <anatomy> The remnant of the urachus, contained in the median umbilical fold; it persists as a midline fibrous cord between the apex of the bladder and the umbilicus. Synonym: ligamentum umbilicale medianum, middle umbilical ligament, urachal ligament. (05 Mar 2000) |
| median vein of forearm | It begins at the base of the dorsum of the thumb, curves around the radial side, ascends the middle of the forearm, and just below the bend of the elbow divides into the intermediate basilic and intermediate cephalic veins; sometimes it divides lower down, one branch going to the basilic vein, the other to the intermediate vein of the elbow. Synonym: vena intermedia antebrachii, intermediate antebrachial vein, intermediate vein of forearm, median vein of forearm, vena mediana antebrachii. (05 Mar 2000) |
| median vein of neck | A vein occasionally present due to fusion of the two anterior jugular vein's. (05 Mar 2000) |