| rosette formation | The in vitro formation of clusters consisting of a cell (usually a lymphocyte) surrounded by antigenic cells or antigen-bearing particles (usually erythrocytes, which may or may not be coated with antibody or antibody and complement). The rosette-forming cell may be an antibody-forming cell, a memory cell, a T-cell, a cell bearing surface cytophilic antibodies, or a monocyte possessing fc receptors. Rosette formation can be used to identify specific populations of these cells. (12 Dec 1998) |
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| rosette test | A test for rosette-forming cells (T-lymphocytes) in which these cells and sheep erythrocytes, are incubated and centrifuged lightly, then examined under a microscope for rosette formation or adherence of erythrocytes to T lymphocytes. (05 Mar 2000) |
| rosette-forming cells | T lymphocytes with an affinity for sheep erythrocytes and which, when suspended in serum, bind the uncoated, nonsensitised erythrocytes in a rosette formation. (05 Mar 2000) |
| rosewood | A valuable cabinet wood of a dark red colour, streaked and variegated with black, obtained from several tropical leguminous trees of the genera Dalbergia and Machaerium. The finest kind is from Brazil, and is said to be from the Dalbergia nigra. African rosewood, the wood of the leguminous tree Pterocarpus erinaceus. Jamaica rosewood, the wood of two West Indian trees (Amyris balsamifera, and Linocieria ligustrina). New South Wales rosewood, the wood of Trichilia glandulosa, a tree related to the margosa. Source: Websters Dictionary (01 Mar 1998) |
| roseworm | <zoology> The larva of any one of several species of lepidopterous insects which feed upon the leaves, buds, or blossoms of the rose, especially Cacaecia rosaceana, which rolls up the leaves for a nest, and devours both the leaves and buds. Source: Websters Dictionary (01 Mar 1998) |
| rosewort | <botany> Roseroot. Any plant nearly related to the rose. Source: Websters Dictionary (01 Mar 1998) |
| rosette |
Term applied to a whorl of leaves arising at the base of a plant.
출처: www.boldweb.com/greenweb/glossary.htm
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| rosette |
A circular cluster of leaves, usually at ground level.
출처: forest.moscowfsl.wsu.edu/rmrs_gtr118/glossary.html
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| rosette |
Circular groups of leaves arising from a basal node (of leaves).
출처: www.ernestartist.org/BotanicalGlossary01.htm
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| rosette |
Circular or oval ornamental plaque that serves as a terminus for vertical casings.
출처: www.homestore.com/HomeGarden/HomeImprovement/Tools...
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| rosette |
The flower-like pattern created when the four CMYK color halftone screens are printed at the traditional angles.
출처: www.rainwater.com/glossary/r.html
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| rose | tall North American perennial with creeping rootstocks and narrow leaves and spikes of pinkish-purple flowers occurring in great abundance in burned-over areas or recent clearings |
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| rose | (a literary reference to) a pretty young girl |
| rose | the bud of a rose |
| rose | shrub or tree native to Japan cultivated as an ornamental for its rose-pink flowers |
| rose | orchid of central and northern South America having 1- to 3-blossomed racemes of large showy rose-colored flowers |
| rose | large fish of northern Atlantic coasts of America and Europe |
| rose | North Atlantic rockfish |
| rose | the fruit of a rose plant |
| rose | resembling a rose |
| rose | East Indian sparsely prickly annual herb or perennial subshrub widely cultivated for its fleshy calyxes used in tarts and jelly and for its bast fiber |
| rose | fungi having smooth perithecia with dark one-celled ascospores |
| rose | a Scandinavian style of carved or painted decoration (as on furniture or walls or dinnerware) consisting of floral motifs |