| central venous line | <equipment> Small, flexible plastic tube inserted into the large vein above the heart, through which drugs and blood products can be given and blood samples withdrawn painlessly. Synonym: central line, Hickman catheter. (12 Jan 1998) |
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| retentive fulcrum line | <dentistry> An imaginary line connecting the retentive points of clasp arms on retaining teeth adjacent to mucosa-borne denture bases, an imaginary line connecting the retentive points of clasp arms, around which line the denture tends to rotate when subjected to forces such as the pull of sticky foods. (05 Mar 2000) |
| cervical line | A continuous anatomical irregular curved line marking the cervical end of the crown of a tooth and the cementoenamel junction. (05 Mar 2000) |
| chamberlain's line | <radiology> Line from posterior hard palate to posterior lip of foramen magnum, if dens greater than 3mm above line most likely to be basilar invagination see also: McGregor's line (easier to use) (12 Dec 1998) |
| Chaussier's line | The anteroposterior line of the corpus callosum as appearing on median section of the brain. (05 Mar 2000) |
| mercurial line | A bluish brown pigmentation seen at the gingival margin and associated with mercury poisoning (mercurial stomatitis). (05 Mar 2000) |
| 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) |