(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.
Viscosity
Definition:
(n.) The quality or state of being viscous.
(n.) A quality analogous to that of a viscous fluid, supposed to be caused by internal friction, especially in the case of gases.
Example Sentences:
(1) Arginine vasopressin further reduced papillary flow in kidneys perfused with high viscosity artificial plasma.
(2) Erythrocyte filterability, blood viscosity, changes in the blood picture, and three blood coagulation factors (antithrombin III, protein C, and fibrin monomers) were investigated.
(3) Plasma viscosity in types IIa, IV and IIb was found to be significantly higher than in the control group.
(4) The penetration coefficient, determined by the surface tension, contact angle and viscosity, is a measure of the ability of a liquid to penetrate into a capillary space, such as interproximal regions, gingival pockets and pores.
(5) Essential characteristics of the composite bone cement included a homogeneous and uniform fiber distribution, and a minimal increase in apparent viscosity of the polymerizing cement.
(6) It appears that the viscosity of the arterial wall must be the major source of attenuation in the larger arteries, while the viscosity of the blood plays a significant role only in the smaller vessels.
(7) Changes in the determinants of blood viscosity (packed cell volume, plasma viscosity, red cell aggregation, and red cell deformability) were studied on day 1 and day 5.
(8) Rabbits, affected by acute bronchitis, treated orally with the title compounds showed a considerable reduction of the viscosity of the bronchial mucus.
(9) Its isoelectric point is at pH 11.1 and intrinsic viscosity is 0.038 dl g-1 in 0.2 M NaCl.
(10) When investigating the system of hemostasis in patients with RA accompanied by systemic manifestations, the authors noted a tendency to blood hypercoagulation which closely correlated with the rise in blood viscosity.
(11) Statistical analysis showed a direct correlation between blood viscosity and hematocrit.
(12) Parameters of whole blood viscosity decreased significantly, while plasma viscosity remained unchanged.
(13) There was a significant correlation between progressive deterioration of the peripheral circulatory disturbance and the initial blood viscosity, the plasma fibrinogen level, and the susceptibility of red cell lipids to autoxidation.
(14) A Bernoulli 'free-fall' numerical model is shown to reproduce the principal features of such casting, with some evidence of viscosity limitation of the turbulent flow at long casting lengths.
(15) It appears that channel catfish B cell mIg capping, presumably a requisite for immune function, can be significantly affected by environmental temperatures; most likely such effects are attributable to changes in plasma membrane viscosities.
(16) The viscosity and the colloid osmotic pressure of both solutions were also the same.
(17) The results revealed a significant rise in whole blood viscosity after dialysis.
(18) The curves of relation of blood pressure versus blood viscosity in the hypertension patients' group showed "M" shape.
(19) Plasma viscosity can be increased by adding certain solutes.
(20) In patients with secondary polyglobulia we found a slightly increased plasma viscosity and an increase of the aggregation of the erythrocytes without decrease of their deformability.