(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.
Pressure
Definition:
(n.) The act of pressing, or the condition of being pressed; compression; a squeezing; a crushing; as, a pressure of the hand.
(n.) A contrasting force or impulse of any kind; as, the pressure of poverty; the pressure of taxes; the pressure of motives on the mind; the pressure of civilization.
(n.) Affliction; distress; grievance.
(n.) Urgency; as, the pressure of business.
(n.) Impression; stamp; character impressed.
(n.) The action of a force against some obstacle or opposing force; a force in the nature of a thrust, distributed over a surface, often estimated with reference to the upon a unit's area.
Example Sentences:
(1) Circuit weight training does not exacerbate resting or exercise blood pressure and may have beneficial effects.
(2) There was a weak relation between AER and both systolic and diastolic blood pressures.
(3) Such a signal must be due to a small ferromagnetic crystal formed when the nerve is subjected to pressure, such as that due to mechanical injury.
(4) Steady-state values of cell, glucose, and cellulase concentration oxygen tension, and outlet gas oxygen partial pressure were recorded.
(5) We conclude that chronic emphysema produced in dogs by aerosol administration of papain results in elevated pulmonary artery pressure, which is characterized pathologically by medial hypertrophy of small pulmonary arteries.
(6) It is concluded that acute renal denervation augments the pressure diuresis that follows carotid occlusion.
(7) Both lymph flow from cannulated pancreatico-duodenal lymphatics and intralymphatic pressure in the non-transected ones increased significantly.
(8) Calcium alginate dressings have been used in the treatment of pressure ulcers and leg ulcers.
(9) administration of the potent short-acting opioid, fentanyl, elicited inhibition of rhythmic spontaneous reflex increases in vesical pressure (VP) evoked by urinary bladder distension.
(10) On removal of selective pressure, the His+ phenotype was lost more readily than the Ura+ Trp+ markers, with a corresponding decrease in plasmid copy number.
(11) The intrauterine mean active pressure (MAP) in the nulliparous group was 1.51 kPa (SD 0.45) in the first stage and 2.71 kPa (SD 0.77) in the second stage.
(12) The main finding of this study is that diabetic adolescents with a high erythrocyte Na,Li countertransport rate have an arterial pressure significantly higher than patients with normal Na,Li countertransport fluxes.
(13) In patients with coronary artery disease, electrocardiographic signs of left atrial enlargement (LAE-negative P wave deflection greater than or equal to 1 mm2 in lead V1) are associated with increased left ventricular end diastolic pressure (LVEDP).
(14) These findings suggest that clonidine transdermal disks lower blood pressure in hypertensive patients, but produce local skin lesions and general side effects.
(15) Diltiazem monotherapy effectively lowered blood pressure in 60% of patients at 8 weeks.
(16) Completeness of isolation of the coronary and systemic circulations was shown by the marked difference in appearance times between the reflex hypotensive responses from catecholamine injections into the isolated coronary circulation and the direct hypertensive response from a similar injection when the circulations were connected as well as by the marked difference between the pressure pulses recorded simultaneously on both sides of the aortic balloon separating the two circulations.4.
(17) At the same time the duodenum can be isolated from the stomach and maintained under constant stimulus by a continual infusion at regulated pressure, volume and temperature into the distal cannula.
(18) The 40 degrees C heating induced an increase in systolic, diastolic, average and pulse pressure at rectal temperature raised to 40 degrees C. Further growth of the body temperature was accompanied by a decrease in the above parameters.
(19) Nicardipine lowered systolic and diastolic blood pressure to normal, plasma aldosterone was reduced and serum potassium levels were increased.
(20) Subjects then rested supine until 10.00 h when blood was again taken, and blood pressure recorded.