What's the difference between per and peri?

Per


Definition:

  • (prep.) Through; by means of; through the agency of; by; for; for each; as, per annum; per capita, by heads, or according to individuals; per curiam, by the court; per se, by itself, of itself. Per is also sometimes used with English words.

Example Sentences:

  • (1) Previous use of the drug is found in more than 50 per cent of the patients, and it was often followed by a neglected side-effect.
  • (2) The proportion of teeth per child with calculus was approximately 8 percent for supragingival and 4 percent for subgingival calculus.
  • (3) Following central retinal artery ligation, infarction of the retinal ganglion cells was reflected by a 97 per cent reduction in the radioactively labeled protein within the optic nerve.
  • (4) Increased dietary protein intake led to increased MDA per nephron, increased urinary excretion of MDA, and increased MDA per milligram protein in subtotally nephrectomized animals, and markedly increased the glutathione redox ratio.
  • (5) In contrast to previous reports, these tumours were more malignant than osteosarcomas and showed a five-year survival rate of only 4-2 per cent.
  • (6) The results demonstrated that K2PtCl4 was bound to a greater degree than CDDP in this system with 3-5 and 1-2 platinum atoms respectively, bound per transferrin molecule.
  • (7) The extent of the infectious process was limited, however, because the life span of the cultures was not significantly shortened, the yields of infectious virus per immunofluorescent cell were at all times low, and most infected cells contained only a few well-delineated small masses of antigen, suggestive of an abortive infection.
  • (8) The data suggest that major differences may exist between ruminants and non-ruminants in the response of liver metabolism both to lactation per se and to the effects of growth hormone and insulin.
  • (9) Children of smoking mothers had an 18.0 per cent cumulative incidence of post-infancy wheezing through 10 years of age, compared with 16.2 per cent among children of nonsmoking mothers (risk ratio 1.11, 95% CI: 1.02, 1.21).
  • (10) Eighty-two per cent of patients with falciparum malaria had recently returned from Africa whereas 82% with vivax malaria had visited Asia.
  • (11) Binding data for both ligands to the enzyme yielded nonlinear Scatchard plots that analyze in terms of four negatively cooperative binding sites per enzyme tetramer.
  • (12) In more than 70 per cent of these, brain injury is the decisive lethal factor.
  • (13) Given Australia’s number one position as the worst carbon emitter per capita among major western nations it seems hardly surprising that islanders from Fiji, Samoa, Vanuatu and other small island developing states have been turning to Australia with growing exasperation demanding the country demonstrate an appropriate response and responsibility.
  • (14) High-grade and low-grade candidemia were defined as 25 colony-forming units or more per 10 ml and 10 colony-forming units or fewer per 10 ml of blood, respectively.
  • (15) The buses recently went up by 50p per journey, but my wages went up with national inflation which was pennies.
  • (16) Average fluoroscopy time per procedure was 27.8 minutes of which 15.1 minutes were for nephrostomy tube insertion and 12.7 minutes were for calculi extraction.
  • (17) Socially acceptable urinary control was achieved in 90 per cent of the 139 patients with active devices in place.
  • (18) In a double-blind, crossover-designed study, 9 male subjects (age range: 18-25 years) received 25 mg orally, four times per day of either S or an identically-appearing placebo (P) 2 d prior to and during HA.
  • (19) Freshly isolated sarcoplasmic reticulum vesicles contain 0.05 mol of tightly bound ADP and 0.03 mol of tightly bound ATP per mol of Ca2+, Mg2+-ATPase (ATP phosphohydrolase, EC 3.6.1.3).
  • (20) Charge data from the target hospital showed a statistically significant reduction in laboratory charges per patient in the quarter following program initiation (P = 0.02) and no evidence for change in a group of five comparison hospitals.

Peri


Definition:

  • (n.) An imaginary being, male or female, like an elf or fairy, represented as a descendant of fallen angels, excluded from paradise till penance is accomplished.

Example Sentences:

  • (1) Distant ischemia was distinguished from peri-infarctional ischemia by the presence of transient thallium defects in, or slow thallium washout from myocardium not supplied by the infarct-related coronary artery.
  • (2) The gossylic nitriles all retain activity, with activity increasing with the length of the peri-acyl group.
  • (3) This interpretation is discussed in relation to the peri-infarct low-flow area seen in the 6 cases with large infarcts.
  • (4) The peri-operative cardiac morbidity and mortality rate were low (CHD group: 16.88%; HH group: 2.22%).
  • (5) Heterozygosity for H-2nod was permissive for the development of pancreatic interstitial inflammation and peri-islet insulitis, whereas homozygosity for H-2nod was highly associated with insulitis.
  • (6) In severe post-partum hemorrhage coming from the peri-uterine regions supplied by the internal iliac arteries, only BLILA may be useful when local surgical hemostasis is ineffective or impossible.
  • (7) The patient's age at the primary diagnosis of breast cancer was 48 years (median), the others were in pre- or peri-menopausal status.
  • (8) Membrane potential trajectories of 68 bulbar respiratory neurones from the peri-solitary and peri-ambigual areas of the brain-stem were recorded in anaesthetized cats to explore the synaptic influences of post-inspiratory neurones upon the medullary inspiratory network.
  • (9) It is inferred, therefore, that the right perimyocardium and left ventricular wall are more susceptible to CB3 infection than right ventricular wall or left peri- and endocardium.
  • (10) A prospective study is described of peri-operative dreaming in 144 paediatric patients aged 5-14 years who received suxamethonium for day case surgery.
  • (11) Gray-scale ultrasonography performed in all patients 48 h after the biopsy detected peri- and intrarenal hematomas in 2 cases.
  • (12) In 97 patients undergoing elective biliary (44) or colorectal (53) surgery, cases were randomly allocated to receive peri-operative prophylaxis with either cefoxitin (Mefoxin; MSD) or metronidazole, penicillin and tobramycin (MPT).
  • (13) Similarities were increased number of lipid droplets in the cumulus cells, widened peri-vitelline space, peripheral displacement or breakdown of the oocyte nucleus and disconnection of the junctions between cumulus cell projections and the oolemma.
  • (14) The peri-arteriolar lymphoid sheets of the spleen were poorly developed and were mainly composed of T-8+ lymphocytes.
  • (15) It would also be helpful to begin a four-decade urban sanitation planning effort along with an "Urban Watch" to promote significant developments in peri-urban settlements.
  • (16) Since 5,12-dimethylchrysene had previously been shown to be only a weak tumor initiator, these results support the generalization that the structural requirements favoring carcinogenicity among the methylated chrysenes and other polynuclear aromatic hydrocarbons (PAH) are a bay region methyl group and a free peri position, both adjacent to an unsubstituted angular ring.
  • (17) A review of a series of 287 operations for peri-anal fistulous abscess in patients admitted for the first time, to the 1st Surgical Division of the Fatebenefratelli Hospital, Milan, is reported.
  • (18) However, the uncoupling of oxidative phosphorylation in the infarcted area and in the peri-infarcted area did not show any significant improvement.
  • (19) Although single photon emission tomography (SPECT) is being increasingly used in the localisation of epileptic foci, the evolution and time courses of the peri-ictal perfusion changes have yet to be clarified.
  • (20) Copulations with other adults males also occurred during all cycle phases, but were most frequent peri-ovulatory.

Words possibly related to "per"

Words possibly related to "peri"