(1) Patients with papillary carcinoma with a good cell-mediated immune response occurred with much lower infiltration of the tumor boundary with lymphocyte whereas the follicular carcinoma less cell-mediated immunity was associated with dense lymphocytic infiltration, suggesting the biological relevance of lymphocytic infiltration may be different for the two histologic variants.
(2) In spite of dense lymphocytic infiltration only 3% of the tumor infiltrating lymphocytes exhibit the activation marker CD 25.
(3) Immunogold electron microscopy demonstrated that outer dense fibres were the predominant immunoreactive site.
(4) Electron microscopy revealed the presence of a hitherto unreported peculiar "pilovacuolar" inclusion in numerous mitochondria, composed of an electron dense pile or rod within a vacuole, while globular or crystalline inclusions were absent.
(5) A recent report suggested that neurons in the prefrontal, anterior cingulate, and primary motor cortex of the brains of schizophrenic subjects may be less dense than those in the brains of nonschizophrenic subjects.
(6) Two years ago, the Intergovernmental Panel on Climate Change declared Egypt's Nile Delta to be among the top three areas on the planet most vulnerable to a rise in sea levels, and even the most optimistic predictions of global temperature increase will still displace millions of Egyptians from one of the most densely populated regions on earth.
(7) Chick sympathetic nerve fibers densely innervate expansor secundariorum muscle, but not skeletal muscle.
(8) Electron microscopy revealed a well-developed rough endoplasmic reticulum, an enlarged Golgi apparatus and many highly electron-dense secretory granules resembling those of Clara cells.
(9) In the first assay, we used a simple density separation technique to remove dense neutrophils (PMN) from suspensions of blood and of bone marrow cells prior to culture in semisolid agar.
(10) In contrast to the defect in another packaging-deficient mutant ts1201, the block in the formation of dense-cored, DNA-containing capsids in ts1233-infected cells at the NPT could not be reversed by transferring the cells to the permissive temperature in the presence of a protein synthesis inhibitor.
(11) The outstanding morphologic feature of cortical cells exposed to microunit ACTH concentrations for 40 min was the abundance of electron-dense granules (0.2-0.4 mum).
(12) The majority of intensively stained and densely packed cells have been observed in tv nucleus.
(13) The wall of the yolk sac thickens as a result of this infolding and the densely packed capillaries.
(14) Viral particles in the cultures and the brain were of various sizes and shapes; particles ranged from 70 to over 160 nm in diameter, with a variable position of dense nucleoids and less dense core shells.
(15) Martin O’Neill spoke of his satisfaction at the Republic of Ireland’s score draw in the first leg of their Euro 2016 play-off against Bosnia-Herzegovina – and of his relief that the match was not abandoned despite the dense fog that descended in the second half and threatened to turn the game into a farce.
(16) Phagosomes and dense bodies reminiscent of Russel bodies also occurred in the Mikulicz cells, in the vacuoles of which formations representing Klebsiella rhinoscleromatis were demonstrated.
(17) Electron microscopic examination of all leptomeningeal and meningioma cultures revealed desmosomes and dense tonofilament formation; in addition, granular, filamentous basement membrane-like material was abundant in the extracellular spaces of all cultures.
(18) Genes of the baker's yeast Saccharomyces cerevisiae are densely clustered on 16 linear chromosomes.
(19) The results suggest that the conversion of the HRP-TMB reaction product to an electron-dense form during osmication is intimately associated with the pH of the phosphate buffer and the total time of osmication.
(20) Chemical binding studies showed that the teichoic acid was the major uranyl binding component in isolated walls, from which it might be inferred that teichoic acid was located in the densely staining regions.
Density
Definition:
(n.) The quality of being dense, close, or thick; compactness; -- opposed to rarity.
(n.) The ratio of mass, or quantity of matter, to bulk or volume, esp. as compared with the mass and volume of a portion of some substance used as a standard.
(n.) Depth of shade.
Example Sentences:
(1) It is suggested that the Japanese may have lower trabecular bone mineral density than Caucasians but may also have a lower threshold for fracture of the vertebrae.
(2) Ca2+ transport was positively correlated with MR cell density.
(3) Osteoporosis is characterized by a reduction in bone density.
(4) However, four of ten young adult outer arm (relatively sun-exposed) and one of ten young adult inner arm (relatively sun-protected) fibroblasts lines increased their saturation density in response to retinoic acid.
(5) We report a series of experiments designed to determine if agents and conditions that have been reported to alter sodium reabsorption, Na-K-ATPase activity or cellular structure in the rat distal nephron might also regulate the density or affinity of binding of 3H-metolazone to the putative thiazide receptor in the distal nephron.
(6) In schizophrenic patients the density of dopamine uptake sites in the basal ganglia was slightly reduced, mainly in the middle third of putamen.
(7) Size analysis of the solubilized IgA IP employing sucrose density gradient ultracentrifugation, indicated that these were heterogeneous, with a size generally larger than 19 S.
(8) Estimates of the risk probability for each dose level and sacrifice time are found utilizing the sample likelihood as the posterior density.
(9) We report on a patient, with a CT-verified low density lesion in the right parietal area, who exhibited not only deficits in left conceptual space, but also in reading, writing, and the production of speech.
(10) The compressive strength of bone is proportional to the square of the apparent density and to the strain rate raised to the 0.06 power.
(11) We assessed changes in brain water content, as reflected by changes in tissue density, during the early recirculation period following severe forebrain ischemia.
(12) Macrophages internalize aggregated low density lipoprotein (LDL) by LDL receptor-dependent phagocytosis.
(13) The capillary-adipocyte distances were shorter and the vascularization density was higher in old rats.
(14) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
(15) When compared with nonspecialized regions of the cell membranes, these contact sites were characterized by a decreased intercellular distance, subplasmalemmal densities and coated pits.
(16) Furthermore, high-density catalase-positive--but not catalase-negative--E. coli can survive and multiply in the presence of competitive, peroxide-generating streptococci.
(17) The deep cerebellar nuclei were moderately labeled at birth and gradually decreased in density thereafter.
(18) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
(19) It is especially efficacious in evaluating patients with cystic lesions, especially those with complex cysts not clearly of water density.
(20) These observations suggest that the liver secretes disk-shaped lipid bilayer particles which represent both the nascent form of high density lipoproteins and preferred substrate for lecithin-cholesterol acyltransferase.