(n.) An imitation of a rose by means of ribbon or other material, -- used as an ornament or a badge.
(n.) An ornament in the form of a rose or roundel, -much used in decoration.
(n.) A red color. See Roset.
(n.) A rose burner. See under Rose.
(n.) Any structure having a flowerlike form; especially, the group of five broad ambulacra on the upper side of the spatangoid and clypeastroid sea urchins. See Illust. of Spicule, and Sand dollar, under Sand.
(n.) A flowerlike color marking; as, the rosettes on the leopard.
Example Sentences:
(1) Most of the radioactivity in spleen cells from these rats were associated with antigen-reactive cells which formed rosettes specifically with HO erythrocytes.
(2) Slide smears revealed the rosette-shaped pattern characteristic of malignant neuroblastoma, many of which were fitted with dendritic plasmatic processes.
(3) The response of Tac rosette positive cells to recombinant IL-2 was always higher than that of the Tac rosette negative or unselected cells, indicating that this rosette method specifically selects T cells expressing IL-2 receptor.
(4) In a second experimental series, immunological tests (Rosette-forming cells, Plaque-forming cells, serum hemagglutinin titers) were performed 7 days after intraperitoneal injection of LPS.
(5) The mouse serum, unlike the rabbit one, induced the inactivation of receptors in rosette forming lymphocytes both in the non-immune and immune mice on the 8th day after the antigenic stimulation.
(6) It contained approximately 1% HP+cells and approximately 3% of all lymphocytes forming rosettes which sheep erythrocytes (E+ cells) present before fractionation.
(7) The suppressor cell is radioresistant; requires 24 hr to suppress optimally; is inactivated by heating at 56 degrees C for 15 min, and is enriched in the non-T interface after SRBC rosette depletion over a discontinuous Ficoll-Hypaque gradient.
(8) Treatment of PBL with the antiserum alone completely inhibited the E-rosette formation.
(9) The increased blastogenesis occurred in rosette-depleted (B cell) populations and did not occur in rosette-enriched (T cell) preparations.
(10) The authors found daily variations in all rosettes in the inner retinal layers, which are of interest here.
(11) Total rosette-forming cells (TRFCs) and percentage of rosette-forming cell (RFC) levels were measured in patients undergoing dialysis and in recipients following renal transplantation.
(12) The proportion of SIg carrying cells within the population forming EA-rosettes was between 11 and 26-4%.
(13) Microautoradiography showed that melanin-containing cells in the trunk and head kidney and in the olfactory rosettes also accumulated high amounts of radioactivity.
(14) In this study, thymic rosettes (TR), which are cell-cell complexes of thymic lymphocytes and stromal cells, were isolated from human thymic tissue, and were characterized.
(15) Incubation of normal pig lymphocytes in serum samples collected from 10 sows immediately before, and at daily intervals after mating with a vasectomized boar significantly elevated the rosette inhibition titre (RIT) of a standard antilymphocyte serum in 6 animals on the first but not on the 2nd and 3rd day after copulation.
(16) Histamine in vitro also inhibited the E-rosette formation, but only in patients with allergic disorders.
(17) Fragments of human erythrocytes inhibited E rosette formation by intact human red cells, but did not result in a significant decrease in rosette formation by intact guinea pig erythrocytes; likewise, guinea pig fragments had no inhibitory effect on rosette formation by human erythrocytes, demonstrating that separate receptors were required for the two red cell types.
(18) With sheep RBC, lymphocytes from 2 of the 5 rabbits studied formed rosettes to the extent of 1.5% in the system containing glutaraldehyde.
(19) Taking the percentage of zymosan-complement complex rosette forming cells (ZC-RFC%) and the number of zymosan-complement Complex rosette forming cells (ZC-RFC) in the peripheral blood as indices of humoral immunity, bone marrow derived lymphocytes were detected by modified Sondra B cell assay in 24 healthy aged taking part in Taichiquan (88 style) exercise and 24 age-matched normal subjects without any physical training.
(20) The rosette inhibition titers (RIT) for sera from 94 women at various stages of gestation were detected with a standardized rosette inhibition test.
Whorl
Definition:
(n. & v.) A circle of two or more leaves, flowers, or other organs, about the same part or joint of a stem.
(n. & v.) A volution, or turn, of the spire of a univalve shell.
(n. & v.) The fly of a spindle.
Example Sentences:
(1) Authors report a ring chromosome 18 (18 r) in a four year old boy, with low birth weight, retarded growth and development, microcephaly and plagiocephaly, horizontal nystagmus, ambiguous genitalia, clinodactyly of the fifth finger, distal axial triradius, whorls pattern in 8 fingers in dermatoglyphic.
(2) The enzyme was specifically localized over the whorled SER membranes and was absent from nonwhorled SER, rough endoplasmic reticulum, and peroxisomes.
(3) It was found in the proposed model of morphogenesis of Acetabularia that the number of whorls N (as well as the number of umbel rays) depends on the degree of mechanical instability of the deforming cell wall (the greater is instability, the higher is the value N).
(4) Membrane whorls were frequently found in bile canaliculi, the space of Disse, and between the lateral membranes of hepatocytes at early times.
(5) Khatris, Jats, Brahmins and Muslims were taken to see ethnic differences in regards to the distribution of whorls, loops, and arches of finger dermatoglyphics.
(6) Textures observed include spherulites with Maltese crosses, striated and highly colored ribbons, whorls of periodic interference fringes, and colored flakes.
(7) Light and electron microscope autoradiographs of degenerate photoreceptors revealed that even in the final stages of degeneration when OS are reduced to small, irregular whorls of membrane, 3H-leucine labeling was present in inner segments and OS membranes.
(8) The authors report a case of myocardial infarction complicated by a false aneurysm of the posterior wall of the left ventricle, the diagnosis of which was confirmed, for the first time, by transesophageal echocardiography (TEE) which provided better definition of the anatomical features of the lesion: visualisation of the particularly wide neck (5 cm) and the site of rupture of the myocardium; demonstration of the presence in the false aneurysm with a thin pericardial wall of a large thrombus of different acoustic density, itself overlain by swirling whorls.
(9) At the ultrastructural level, all three toxins caused dose-dependent vesiculation of rough endoplasmic reticulum, formation of concentric whorls composed of rough-ER, mitochondrial swelling, large cytoplasmic vacuoles and altered bile canaliculi.
(10) The actinomycete differed from the other whorl cultures.
(11) The latter demonstrated minimal disorganization of rough endoplasmic reticulum and occasional lamellar whorls.
(12) The results of the present study did not show any indication of linkage between dermatoglyphic patterns on fingertips (ulnar loops, radial loops, whorls and arches) and the ABO, MN, Rh, Kell and Xg blood groups.
(13) On ultrastructural examination, the tumor cells demonstrated paranuclear whorls of intermediate filament aggregates and occasional electron-dense granules.
(14) Furthermore, neuroaxonal dystrophy, accumulations of branching tubules, and neuronal change consisting of intracytoplasmic "whorls" of proliferating membranes constitute prominent features of scrapie-related neurodegeneration.
(15) Subsequent to a final rapid phase of engorgement, the basophilic cell reorganizes its cisternae of rough endoplasmic reticulum into whorls and parallel arrays and resumes a secretory role.
(16) Immunoelectron microscopy shows that the protein is localized in the matrix of the rhoptry organelle and on membranous whorls secreted from the merozoite.
(17) Numerous whorl-like membranous structures and separation of nuclear membrane were also observed.
(18) The whorls appeared to be associated with RER and Golgi bodies.
(19) Two deceptively benign-appearing, unclassifiable but very similar fibromyxoid sarcomas characterized histologically by bland, innocuous-appearing fibroblastic cells and a swirling, whorled growth pattern are presented.
(20) They may be arranged in a whorled pattern imitating meningiomas, their myxoid intercellular stroma may assume the morphology of cartilage and closely packed tumour cells in "epithelioid" astrocytomas come close to imitate metastatic carcinoma.