| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
|---|---|
| IRV | inferior radicular vein; inspiratory reserve volume; inverse ratio ventilation |
| IVC | inferior vena cava; inspiratory vital capacity; integrated vector control; intravascular coagulation... |
| IVCP | inferior vena cava pressure |
| IVCR | inferior vena cava reconstruction |
| Granger's line | On lateral skull radiographs, the line produced by the groove of the optic chiasm or sulcus prechiasmatis. (05 Mar 2000) |
|---|---|
| Richter-Monro line | A line passing from the umbilicus to the anterior superior iliac spine. McBurney's point occurs on this line. Synonym: Monro's line, Richter-Monro line. (05 Mar 2000) |
| Gubler's line | The level of the superficial origin of the trigeminus on the pons, a lesion below which causes Gubler's paralysis. (05 Mar 2000) |
| gum line | The position of the margin of the gingiva in relation to the teeth in the dental arch. (05 Mar 2000) |
| gunter's line | A logarithmic line on Gunter's scale, used for performing the multiplication and division of numbers mechanically by the dividers. Synonym: line of lines, and line of numbers. Source: Websters Dictionary (01 Mar 1998) |
| Meyer's line | <anatomy> A line through the axis of the big toe and passing the midpoint of the heel in a normal foot. (05 Mar 2000) |
| Roser-Nelaton line | A line drawn from the anterior superior iliac spine to the tuberosity of the ischium; normally the great trochanter lies in this line, but in cases of iliac dislocation of the hip or fracture of the neck of the femur the trochanter is felt above the line. Synonym: Roser-Nelaton line. (05 Mar 2000) |
| rough line | A rough ridge with two pronounced lips running down the posterior surface of the shaft of the femur; the lateral lip of the linea aspera is a continuation of the gluteal tuberosity, the medial lip of the intertrochanteric line; it affords attachment to the vastus medialis, adductor longus, adductor magnus, adductor brevis, the short head of the biceps, and the vastus lateralis muscles as well as to the intermuscular septa of the thigh. Synonym: rough line. (05 Mar 2000) |
| midaxillary line | A vertical line intersecting a point midway between the anterior and posterior axillary folds or lines. Synonym: linea axillaris media, linea medio-axillaris, middle axillary line. (05 Mar 2000) |
| midclavicular line | A vertical line passing through the midpoint of the clavicle. Synonym: linea medioclavicularis. (05 Mar 2000) |
| middle axillary line | A vertical line intersecting a point midway between the anterior and posterior axillary folds or lines. Synonym: linea axillaris media, linea medio-axillaris, middle axillary line. (05 Mar 2000) |
| milk line | Bandlike thickening of ectoderm in the embryo extending on either side from just below the axilla to the inguinal region; in human embryos, the mammary glands arise from primordia in the thoracic part of the ridge, the balance of the ridge disappearing; in some lower mammals which give birth to a litter of young, several milk glands develop along these lines. Synonym: mammary fold, milk line, milk ridge. (05 Mar 2000) |
| Clapton's line | A greenish discoloration of the marginal gingiva in cases of chronic copper poisoning. (05 Mar 2000) |
| M line | <cell biology> Central part of the A band of striated muscle (and of the M band): contains M line protein (myomesin, 165 kD), creatine kinase (40 kD) and glycogen phosphorylase b (90 kD). Involved in controlling the spacing between thick filaments. (18 Nov 1997) |
| PICC line | <equipment> A catheter inserted into an arm vein and used for periods of up to three months. This catheter does not need to be surgically implanted and can be inserted at home by a trained nurse. (09 Oct 1997) |