What's the difference between medium and source?

Medium


Definition:

  • (n.) That which lies in the middle, or between other things; intervening body or quantity. Hence, specifically: (a) Middle place or degree; mean.
  • (n.) See Mean.
  • (n.) The mean or middle term of a syllogism; that by which the extremes are brought into connection.
  • (n.) A substance through which an effect is transmitted from one thing to another; as, air is the common medium of sound. Hence: The condition upon which any event or action occurs; necessary means of motion or action; that through or by which anything is accomplished, conveyed, or carried on; specifically, in animal magnetism, spiritualism, etc., a person through whom the action of another being is said to be manifested and transmitted.
  • (n.) An average.
  • (n.) A trade name for printing and writing paper of certain sizes. See Paper.
  • (n.) The liquid vehicle with which dry colors are ground and prepared for application.
  • (a.) Having a middle position or degree; mean; intermediate; medial; as, a horse of medium size; a decoction of medium strength.

Example Sentences:

  • (1) Synthesis of choline esterase on the medium with acetylcholine at a concentration of 1% was increased more than twofold upon addition of glucose at a concentration of 0.1%.
  • (2) Brain and ganglia of embryonic Periplaneta americana were grown for 2 to 3 weeks in a chemically defined medium.
  • (3) If ascorbic acid was omitted from the culture medium, the extensive new connective tissue matrix was not produced.
  • (4) within 12 h of birth followed by similar injections every day for 10 consecutive days and then every second day for a further 8 weeks, with mycoplasma broth medium (tolerogen), to induce immune tolerance.
  • (5) Because cystine in medium was converted rapidly to cysteine and cysteinyl-NAC in the presence of NAC and given that cysteine has a higher affinity for uptake by EC than cystine, we conclude that the enhanced uptake of radioactivity was in the form of cysteine and at least part of the stimulatory effect of NAC on EC glutathione was due to a formation of cysteine by a mixed disulfide reaction of NAC with cystine similar to that previously reported for Chinese hamster ovarian cells (R. D. Issels et al.
  • (6) The penetration of (22)Na was not prevented by the presence of metabolic inhibitors or by 500 mm NaCl in the suspending medium.
  • (7) Maximal yields of lipid and aflatoxin were obtained with 30% glucose, whereas mold growth, expressed as dry weight, was maximal when the medium contained 10% glucose.
  • (8) Systolic blood pressure dropped following clonidine, showing a significantly greater drop for the medium and high doses than for the low dose.
  • (9) No significant fatty acid binding by proteins was detected in S. cerevisiae, even when grown on a fatty acid-rich medium, thus indicating that such proteins are not essential to fatty acid metabolism.
  • (10) In 2012, 20% of small and medium-sized businesses were either run solely or mostly by women.
  • (11) TR was classified as follows: severe (massive systolic opacification and persistence of the microbubbles in the IVC for at least 20 seconds); moderate (moderate systolic opacification lasting less than 20 seconds); mild (slight systolic opacification lasting less than 10 seconds); insignificant TR (sporadic appearance of the contrast medium into the IVC).
  • (12) Resistant mutants can be isolated only at concentrations of 1 M allylalcohol in the medium.
  • (13) The medium time of admission (8.98 vs 9.5 days) and mortality rate (6.3% vs 7.1%) did not change.
  • (14) In fact, the addition of conditioned medium obtained by 48 hr preincubation of isolated monocytes with 10% PF-382 supernatant (M-CM2) or the concomitant addition of supernatant from PF-382 cells (PF-382-CM) and from unstimulated monocytes (M-CM1) are capable of fully replacing the presence of monocytes in the BFU-E assay.
  • (15) Thirty-two strains of pectin-fermenting rumen bacteria were isolated from bovine rumen contents in a rumen fluid medium which contained pectin as the only added energy source.
  • (16) This study was designed to examine the effect of the storage configuration of skin and the ratio of tissue-to-storage medium on the viability of skin stored under refrigeration.
  • (17) Finally, it could be observed that elevated osmotic pressures reduced the lysis of isolated secretory granules when bicarbonate ions were present in the incubation medium.
  • (18) The study of cellular cyclic AMP level in response to extracellular adenosine stimulation in dividing cells and quiescent cells showed that cells in defined medium had a lower extent of response to adenosine compared to cells cultured in serum-containing medium.
  • (19) In lactate medium the capacity of each AIB carrier is unchanged but its affinity is reduced to one-third.
  • (20) A technique, using Nuclepore polycarbonate membrane filters as a containing medium for very small volumes of ionic standard solutions, to produce homogeneous ice standards is described.

Source


Definition:

  • (n.) The act of rising; a rise; an ascent.
  • (n.) The rising from the ground, or beginning, of a stream of water or the like; a spring; a fountain.
  • (n.) That from which anything comes forth, regarded as its cause or origin; the person from whom anything originates; first cause.

Example Sentences:

  • (1) Manometric studies with resting cells obtained by growth on each of these sulfur sources yielded net oxygen uptake for all substrates except sulfite and dithionate.
  • (2) This would disrupt and prevent Isis from maintaining stable and reliable sources of income.
  • (3) A diplomatic source said the killing appeared particularly unusual because of Farooq lack of recent political activity: "He was lying low in the past two years.
  • (4) Pokeweed mitogen-stimulated rat spleen cells were identified as a reliable source of rat burst-promoting activity (PBA), which permitted development of a reproducible assay for rat bone marrow erythroid burst-forming units (BFU-E).
  • (5) The direct monocyte source is not sufficient to insure the stability of this population.
  • (6) Four patients with acute brucellosis are described, none of whom had any connexion with farming or milk industry, the source of infection being different in each case.
  • (7) No correlation between volatile make up and geography was found, but the profiling procedures are shown to be of use in the forensic problem of relating samples to a common source.
  • (8) The company, part of the John Lewis Partnership, now sources all its beef from the UK, including in its ready meals, sandwiches and fresh mince.
  • (9) Thirty-two strains of pectin-fermenting rumen bacteria were isolated from bovine rumen contents in a rumen fluid medium which contained pectin as the only added energy source.
  • (10) These spectra show marked differences between sources.
  • (11) This capacity is expressed during incubation of the bacteria with the substrate and needs a source of carbon and other energy metabolites.
  • (12) A 45-year-old mother of four, named as Hediye Sen, was killed during clashes in Cizre, while a 70-year-old died of a heart attack during fighting in Silopi, according to hospital sources.
  • (13) A Monte Carlo simulation was performed to characterize the spatial and energy distribution of bremsstrahlung radiation from beta point sources important to radioimmunotherapy (RIT).
  • (14) Former detectives had dug out damning evidence of abuse, as well as testimony from officers recommending prosecution, sources said.
  • (15) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
  • (16) Furthermore, the analyses indicated an important interplay between environmental sources and social factors in the determination of hand lead and blood lead levels in very young children.
  • (17) An accurate and reproducible method is described for generating a map of the cobalt sheet source from images of it made in multiple positions with the scintillation camera.
  • (18) Biosyntheses of TXA2 and PGI2 were carried out using arachidonic acid as a substrate and horse platelet and aorta microsomes as sources of TXA2 and PGI2 synthetases respectively.
  • (19) In certain cases, the effects of these substances are enhanced, in others, they are inhibited by compounds that were isolated from natural sources or prepared by chemical synthesis.
  • (20) Lysates of lymphoblastoid cells provided the antigen source which were visualized by sodium dodecyl sulfate polyacrylamide gel electrophoresis.