What's the difference between flow and pressure?

Flow


Definition:

  • () imp. sing. of Fly, v. i.
  • (v. i.) To move with a continual change of place among the particles or parts, as a fluid; to change place or circulate, as a liquid; as, rivers flow from springs and lakes; tears flow from the eyes.
  • (v. i.) To become liquid; to melt.
  • (v. i.) To proceed; to issue forth; as, wealth flows from industry and economy.
  • (v. i.) To glide along smoothly, without harshness or asperties; as, a flowing period; flowing numbers; to sound smoothly to the ear; to be uttered easily.
  • (v. i.) To have or be in abundance; to abound; to full, so as to run or flow over; to be copious.
  • (v. i.) To hang loose and waving; as, a flowing mantle; flowing locks.
  • (v. i.) To rise, as the tide; -- opposed to ebb; as, the tide flows twice in twenty-four hours.
  • (v. i.) To discharge blood in excess from the uterus.
  • (v. t.) To cover with water or other liquid; to overflow; to inundate; to flood.
  • (v. t.) To cover with varnish.
  • (n.) A stream of water or other fluid; a current; as, a flow of water; a flow of blood.
  • (n.) A continuous movement of something abundant; as, a flow of words.
  • (n.) Any gentle, gradual movement or procedure of thought, diction, music, or the like, resembling the quiet, steady movement of a river; a stream.
  • (n.) The tidal setting in of the water from the ocean to the shore. See Ebb and flow, under Ebb.
  • (n.) A low-lying piece of watery land; -- called also flow moss and flow bog.

Example Sentences:

  • (1) An automated continuous flow sample cleanup system intended for rapid screening of foods for pesticide residues in fresh and processed vegetables has been developed.
  • (2) Models able to describe the events of cellular growth and division and the dynamics of cell populations are useful for the understanding of functional control mechanisms and for the theoretical support for automated analysis of flow cytometric data and of cell volume distributions.
  • (3) Both lymph flow from cannulated pancreatico-duodenal lymphatics and intralymphatic pressure in the non-transected ones increased significantly.
  • (4) Increased infusion flow rate did not increase the limiting frequency.
  • (5) Hepatic lymph flow increased only after ethacrynic acid and mannitol administration.
  • (6) Blood flow decreased immediately after skin expansion in areas over the tissue expander on days 0 and 1 and returned to baseline levels within 24 hours.
  • (7) These results could be explained by altered tissue blood flow and a decreased metabolic capacity of the liver in obese subjects.
  • (8) Arginine vasopressin further reduced papillary flow in kidneys perfused with high viscosity artificial plasma.
  • (9) Peak Expiratory Flow and Forced Expiratory Mean Flows in the ranges 0-25%, 25-50% and 50-75% of Forced Vital Capacity were significantly reduced in animals exposed to gasoline exhaust fumes, whereas the group exposed to ethanol exhaust fumes did not differ from the control group.
  • (10) Flow cytometric DNA analysis was performed on both fresh and on paraffin embedded samples obtained by gastroscopic biopsies in 5 patients with histologically normal gastric mucosa (20 specimens) and by radical gastrectomies in 9 cases of human gastric cancer (36 specimens).
  • (11) The stopped-flow technique was used to measure the rate constants for the reactions between the oxidized forms of peroxidase with luminol and the following substrates: p-iodophenol, p-bromophenol, p-clorophenol, o-iodophenol, m-iodophenol, luciferin, and 2-iodo-6-hydroxybenzothiazole.
  • (12) Blood flow was measured in leg and torso skin of conscious or anesthetized sheep by using 15-micron radioactive microspheres (Qm) and the 133Xe washout method (QXe).
  • (13) An axillo-axillary bypass procedure was performed in a high-risk patient with innominate arterial stenosis who had repeated episodes of transient cerebral ischemia due to decreased blood flow through the right carotid artery and reversal of blood flow through the right vertebral artery.
  • (14) Using an in vitro culture system, light scatter analyses, and two-color flow cytometry, we provide evidence that the interleukin-2 (IL-2) and transferrin receptors can be induced within 48 hr on nonproliferating immature thymocytes.
  • (15) These findings may not indicate a redistribution of renal blood flow through resistance changes in specific parts of the renal vasculature but may represent the consequences of focal cortical ischaemia, most prominent in the outer cortex.
  • (16) Excretion of inactive kallikrein again correlated with urine flow rate but the regression relationship between the two variables was different for water-load-induced and frusemide-induced diuresis.
  • (17) YM infused at 0.01 pmol.kg-1.min-1 did not cause any changes in urinary flow rate or Na excretion.
  • (18) The flow properties of white cells were tested after myocardial infarction, by measuring the filtration rates of cell suspensions through 8 microns pore filters.
  • (19) The effect of these drugs was estimated from the cell growth curve and DNA histogram determined by flow cytometry.
  • (20) Flow cytofluorometric analysis of the strain distribution of the molecules defined by the mAb revealed that two of the antibodies (I-22 and III-5) were directed against nonpolymorphic determinants of Thy-1, whereas V-8 mAb reacted only with Thy-1.2+ lymphocytes.

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.