What's the difference between aspirator and pump?

Aspirator


Definition:

  • (n.) An apparatus for passing air or gases through or over certain liquids or solids, or for exhausting a closed vessel, by means of suction.
  • (n.) An instrument for the evacuation of the fluid contents of tumors or collections of blood.

Example Sentences:

  • (1) Down and up regulation by peptides may be useful for treatment of cough and prevention of aspiration pneumonia.
  • (2) The Cavitron Ultrasonic Surgical Aspirator (CUSA) is a dissecting system that removes tissue by vibration, irrigation and suction; fluid and particulate matter from tumors are aspirated and subsquently deposited in a canister.
  • (3) Sickle and normal discocytes both showed membrane elasticity with reversion to original cell shape following release of the cell from its aspirated position at the pipette tip.
  • (4) The exception to this rule is a cyst which can be safely aspirated under controlled conditions.
  • (5) The fine needle aspiration cytology features of twelve peripherally located bronchioloalveolar cell carcinomas of the lung diagnosed by fine needle aspiration biopsy are described.
  • (6) A quantitative index of duodenogastric reflux was obtained in each case by determining the percentage of the injected dose of 99mTechnetium-DISIDA that was recovered by continuous aspiration of gastric juice in fasting subjects.
  • (7) To be sure, the demonstration of pulmonary aspiration with GRS had little influence on patient selection and response to therapy.
  • (8) 18 aspirates were obtained from patients with B-non-Hodgkin's lymphoma of high malignancy.
  • (9) The concentration of potassium (K+) and sodium (Na+) was measured in breast cyst fluid (BCF) from 611 cysts greater than 3 ml aspirated in 520 women with gross cystic disease of the breast.
  • (10) This phenomena is strongly marked in spastic and mixed types of drowning and is absent in aspiration and reflex types.
  • (11) Other less common indications are some instances of aspiration pneumonia, septicemias due to B. fragilis, and actinomycoses.
  • (12) Initial analysis of aspirated bone marrow disclosed ALL FAB-L1 morphology, common (Ia+, cALLa+) immunophenotype and a complex abnormal karyotype.
  • (13) These findings in a patient with acute leukaemia are strongly suspicious of fungal infection, and percutaneous fine-needle aspiration under ultrasound or computed tomography-guidance is indicated.
  • (14) "The role of leader is one of the greatest honours imaginable – but it is not a bauble to aspire for.
  • (15) It is the combination of his company's pan-African and industrialist vision – reminiscent of the aspirations of African independence pioneers like Ghana's Kwame Nkrumah – and its relentless financial growth that has set Dangote apart.
  • (16) From this study, biopsies appear more helpful to detect malignant cells than aspirates.
  • (17) Recent reports have indicated the usefulness of nuclear grooves (clefts or notches) as an additional criterion for the diagnosis of papillary thyroid carcinoma in fine needle aspirates; most of these studies were carried out on alcohol-fixed material stained with the Papanicolaou stain or with hematoxylin and eosin, which yield good nuclear details.
  • (18) The results of simple aspiration in 30 cases of pneumothorax are presented.
  • (19) A large exudative retinal detachment and hypopyon developed in one eye, and cultures from the anterior chamber aspirate grew CMV.
  • (20) Compared with anteverted (N = 243) or axial (N = 149) locations, the retroverted uterus (N = 66) was associated with a lower mean sample weight per aspiration (22, 18, and 15 mg, respectively; P less than .01) and a greater frequency of multiple-pass procedures (23, 31, and 52%, respectively; P less than .0001).

Pump


Definition:

  • (n.) A low shoe with a thin sole.
  • (n.) An hydraulic machine, variously constructed, for raising or transferring fluids, consisting essentially of a moving piece or piston working in a hollow cylinder or other cavity, with valves properly placed for admitting or retaining the fluid as it is drawn or driven through them by the action of the piston.
  • (v. t.) To raise with a pump, as water or other liquid.
  • (v. t.) To draw water, or the like, from; to from water by means of a pump; as, they pumped the well dry; to pump a ship.
  • (v. t.) Figuratively, to draw out or obtain, as secrets or money, by persistent questioning or plying; to question or ply persistently in order to elicit something, as information, money, etc.
  • (v. i.) To work, or raise water, a pump.

Example Sentences:

  • (1) An inverse relationship between the pumping capacity of the heart and vascular resistance was confirmed at different stages of examination and treatment of the patients.
  • (2) In contrast with oligodendrocytes, [Cl-]i in astrocytes is significantly increased (from 20 to 40 mM) above the equilibrium distribution owing to the activity of an inward directed Cl- pump; this suggests a different mechanism of K+ uptake in these cells.
  • (3) This is basically a large tank (the bigger the better) that collects rain from the house guttering and pumps it into the home, to be used for flushing the loo.
  • (4) It is concluded that a Na-H antiport system in vascular smooth muscle regulates Na influx rate, contributes to intracellular pH regulation and influences basal levels of Na,K-pump activity.
  • (5) All conventional injection and insulin pump regimens are supported.
  • (6) An electrogenic sodium-potassium pump appears to contribute materially to the steady-state potential and to certain of the transient potential responses of vascular smooth muscle.
  • (7) Cardiac pump function is not affected, even in patients with ventricular dysfunction or heart failure, in whom chronic oral administration of the drug is well tolerated.
  • (8) The larger accumulation of Mn2+ than of Sr2+ in Saccharomyces cerevisiae is ascribed to the operation of a specific extrusion pump, presumably a Ca2+ pump, which has a higher affinity for Sr2+ than for Mn2+.
  • (9) Sadler shook her head again when Cameron repeated the much-used statistic that enough water to fill Wembley Stadium three times was being pumped from the Levels each day.
  • (10) A reduction of salmonellae during the passage of the pump and pressure conduit-pipe, combining east- and west-side of Kiel fjord, could be seen.
  • (11) and respirated with a pneumatic respiration pump and the parameters blood pressure, pH and blood gases (pO2, pCO2) were continuously recorded.
  • (12) The pump function of the heart (oxygen debt dynamics), the anaerobic threshold (complex of gas analytical indices), and the efficacy of blood flow in lesser circulation (O2 consumption plateau) were appraised.
  • (13) To investigate endogenous cardiac glycoside-like compounds in plasma and their ability to inhibit the sodium pump, digoxin-like immunoreactivity [digoxin-like immunoreactive substance(s), DLIS] and 86Rb uptake by erythrocytes were measured in plasma extracts from normal adults, hypertensive adults and neonates.
  • (14) A compensator connected to the section consisting of the pump-main line-operating member and including a pneumatic resistance and a flaxid non-elastic container enables it in combination with the feedback to maintain through the volumetric displacement of the gas, or changing the pump diaphragm position, the stability of the gas volume in the pneumatic transmission element of the assisted circulation apparatus.
  • (15) Interpreted in term of compartmental analysis, these observations suggest that a) the frog skin epithelium contains 2 separated but communicating compartments having different degrees of accessibility from outside; b) only that compartment filling at a fast rate (0.5 min) is involved in the transepithelial Na transport; c) the other one, filling at a rate of 4 to 7 min, is resplenished only under conditions where the basal pump system has a reduced activity.
  • (16) Despite numerous attempts there have been only a few chemicals identified that stimulate the fluid pump, but the level of stimulation has been relatively small and short-lived.
  • (17) The insulin-induced activation of the Na+-K+ pump leads to decreased intracellular Na+ concentration and hyperpolarization, but none of these events can account for the concomitant activation of the glucose transport system.
  • (18) A pressure sensor in the patient line prevents excessive inflow and outflow pressures by stopping the inflow or outflow pump respectively.
  • (19) This was overcome by using a continuous subcutaneous infusion pump which also enabled the effective daily dosage to be reduced and thereby adverse reactions to be avoided.
  • (20) A new centrifugal pump (Sarns), originally designed for ventricular assist, was successfully used in two patients during repair of traumatic pseudoaneurysm of the descending thoracic aorta.

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