What's the difference between factor and portion?

Factor


Definition:

  • (n.) One who transacts business for another; an agent; a substitute; especially, a mercantile agent who buys and sells goods and transacts business for others in commission; a commission merchant or consignee. He may be a home factor or a foreign factor. He may buy and sell in his own name, and he is intrusted with the possession and control of the goods; and in these respects he differs from a broker.
  • (n.) A steward or bailiff of an estate.
  • (n.) One of the elements or quantities which, when multiplied together, from a product.
  • (n.) One of the elements, circumstances, or influences which contribute to produce a result; a constituent.
  • (v. t.) To resolve (a quantity) into its factors.

Example Sentences:

  • (1) These factors might account for the lower systemic bioavailability of these compounds.
  • (2) The effect of insulin-like growth factor I (IGF-I) on growth of small cell lung cancer (SCLC) cell lines was studied.
  • (3) It is supposed that delta-sleep peptide along with other oligopeptides is one of the factors determining individual animal resistance to emotional stress, which is supported by significant delta-sleep peptide increase in hypothalamus in stable rats.
  • (4) We attribute this in part to early diagnosis by computed tomography (CT), but a contributory factor may be earlier referrals from country centres to a paediatric trauma centre and rapid transfer, by air or road, by medical retrieval teams.
  • (5) After stimulation with lipopolysaccharide and calcium ionophore A23187, culture supernatants of clones c18A and c29A showed cytotoxic activity against human melanoma A375 Met-Mix and other cell lines which were resistant to the tumor necrosis factor, lymphotoxin and interleukin 1.
  • (6) Perinatal mortality is strongly associated with obstetrical factors, respiratory distress syndrome, and prematurity.
  • (7) Technical factors that account for increased difficulty in these patients include: problems with guide catheter impaction and ostial trauma; inability to inflate the balloon with adequate guide catheter support; and need for increased intracoronary manipulation.
  • (8) A study of factors influencing genetic counseling attendance rate has been conducted in the Bouches-du-Rhône area, in the south of France.
  • (9) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
  • (10) The major treatable risk factors in thromboembolic stroke are hypertension and transient ischemic attacks (TIA).
  • (11) In this study, the role of psychological make-up was assessed as a risk factor in the etiology of vasospasm in variant angina (VA) using the Cornell Medical Index (CMI).
  • (12) The vascular endothelium is capable of regulating tissue perfusion by the release of endothelium-derived relaxing factor to modulate vasomotor tone of the resistance vasculature.
  • (13) The observed relationship between prorenin and renin substrate concentrations might be a consequence of their regulation by common factors.
  • (14) Under blood preservation conditions the difference of the rates of ATP-production and -consumption is the most important factor for a high ATP-level over long periods.
  • (15) Male sex, age under 19 or over 45, few social supports, and a history of previous suicide attempts are all factors associated with increased suicide rates.
  • (16) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
  • (17) It was concluded that the significant factors affecting outcome are tumor cell type and presence or absence or mitoses.
  • (18) Bradykinin also stimulated arachidonic acid release in decidual fibroblasts, an effect which was potentiated in the presence of epidermal growth factor (EGF), but which was not accompanied by an increase in PGF2 alpha production.
  • (19) In choosing between various scanning techniques the factors to be considered include availability, cost, the type of equipment, the expertise of the medical and technical staff, and the inherent capabilities of the system.
  • (20) Nutritional factors or environmental toxins have important effects on CNS degenerative changes.

Portion


Definition:

  • (n.) That which is divided off or separated, as a part from a whole; a separated part of anything.
  • (n.) A part considered by itself, though not actually cut off or separated from the whole.
  • (n.) A part assigned; allotment; share; fate.
  • (n.) The part of an estate given to a child or heir, or descending to him by law, and distributed to him in the settlement of the estate; an inheritance.
  • (n.) A wife's fortune; a dowry.
  • (v. t.) To separate or divide into portions or shares; to parcel; to distribute.
  • (v. t.) To endow with a portion or inheritance.

Example Sentences:

  • (1) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
  • (2) The low affinity of several N1-alkylpyrroleethylamines suggests that the benzene portion of the alpha-methyltryptamines is necessary for significant affinity.
  • (3) The half-life of 45Ca in the various calcium fractions of both types of bone was 72 hours in both the control and malnourished groups except the calcium complex portion of the long bone of the control group, which was about 100 hours.
  • (4) The present results provide no evidence for a clear morphological substrate for electrotonic transmission in the somatic efferent portion of the primate oculomotor nucleus.
  • (5) The cis isomer was retained longer in liver, particularly in mitochondria, but had low retention in that portion of the endoplasmic reticulum isolated as the rough membrane fraction.
  • (6) The supravesical portion showed a cystic appearance with a capsule in the space of Retzius.
  • (7) In addition, lightly immunostained cells were distinguished in the caudal portion of the hypothalamic arcuate nucleus, area of tuber cinereum, retrochiasmatic area, and rostral portion of the paraventricular thalamic nucleus after colchicine treatment.
  • (8) A few free-floating cells could be observed in the lumen of this intermediate portion, most of which were macrophages.
  • (9) A 68 year-old man with a history of right thalamic hemorrhage demonstrated radiologically in the pulvinar and posterior portion of the dorsomedian nucleus developed a clinical picture of severe physical sequelae associated with major affective, behavioral and psychic disorders.
  • (10) It may, however, be useful to compare local wall dynamics in the more isometrically-contracting basal segment with those in the middle portion which brings about most of the emptying of the ventricle.
  • (11) Thus, the estrogen-sensitive phase was confined to the early portion of FPH stimulation.
  • (12) Thus it appears that a portion of the adaptation to prolonged and intense endurance training that is responsible for the higher lactate threshold in the trained state persists for a long time (greater than 85 days) after training is stopped.
  • (13) The horizontal portion of the intracavernous ICA as well as the whole aspect of the aneurysm could be exposed as a result of the extended opening of the cavernous roof anterior to the posterior clinoid process.
  • (14) Three animals received unilateral lesions which included both the inferior parietal lobule and a portion of adjacent dorsal prestriate cortex (IPL-PS).
  • (15) Heparitinase I (EC 4.2.2.8), an enzyme with specificity restricted to the heparan sulfate portion of the polysaccharide, releases fragments with the electrophoretic mobility and the structure of heparin.
  • (16) These animals spent a much greater portion of their SWS in the lighter SWS I, as compared to the control group which showed a predominance of the deeper SWS II.
  • (17) The vector is relatively small (6 kilobase pairs) and contains a portion of the L. seymouri alpha-tubulin gene positioned in-frame with a truncated neomycin phosphotransferase gene that confers resistance to the aminoglycoside G418.
  • (18) Studies using serum from mice that had been immunized with synthetic peptides from the HIV envelope region suggested that this response is directed, at least in part, at several determinants of the transmembrane portion of the HIV envelope glycoprotein.
  • (19) We propose a model in which BvgB and the N-terminal portion of BvgC are localized in the periplasm.
  • (20) We report the case of a premature infant, small for gestational age, who experienced rostral herniation of a portion of frontal lobe through the anterior fontanel as the result of a hemorrhagic cerebellar infarction followed by a large parieto-occipital intracerebral hemorrhage.