What's the difference between prerequisite and prior?

Prerequisite


Definition:

  • (a.) Previously required; necessary as a preliminary to any proposed effect or end; as, prerequisite conditions of success.
  • (n.) Something previously required, or necessary to an end or effect proposed.

Example Sentences:

  • (1) Confidence is the major prerequisite for a doctor to be able to help his seriously ill patient.
  • (2) The high participation percentage also shows that the prerequisite of screening, namely, a positive attitude on the part of the population, was as well fulfilled in the present project.
  • (3) For consistent identification of the normal pancreas, preliminary longitudinal scanning at, or near, the mid-line and subsequent oblique scanning in the long axis are necessary prerequisites in delineating the anatomic outline of the pancreas.
  • (4) This quantitative characterization of the properties of conduction and refractoriness of both the accessory pathway and ventriculoatrial conduction system and the relation between these characteristics and the accessory pathway location in ART patients provides additional insight into the prerequisites for the initiation and maintenance of this rhythm disturbance.
  • (5) She has imbued me with the confidence of encouraging other girls to dream alternative futures that do not rely on FGM as a prerequisite.
  • (6) The prerequisite for all champions is the refusal to cave in, so City's equaliser with only three minutes remaining was pleasing.
  • (7) To meet these prerequisites we have introduced some technical refinements: (1) computer-controlled rectilinear translations of the target in combination with different angular positions of the source and (2) computer-controlled rotations of the target around a vertical axis in combination with different angular positions of the source.
  • (8) Binding of the ilvY product at the O1 and O2 operator sites is co-operative and this ilvY protein-DNA complex in the presence of acetohydroxy acid isomeroreductase substrate is a prerequisite for RNA polymerase binding to the ilvC promoter as detected by DNase I protection experiments.
  • (9) These results point to HPV16 as one potential prerequisite for the first steps in the multistage development of human cervical cancer.
  • (10) Other experiments further implicated actin in the budding process during virus maturation, as there appeared to be a specific association of actin in vitro only with nucleocapsids that have terminated RNA synthesis, which is presumably a prerequisite to budding.
  • (11) We conclude that retained gastric peristaltic function is not a prerequisite for a good clinical outcome for swallowing and that despite vagotomy, the stomach continues to produce enough acid to maintain an acidic pH.
  • (12) The failure of agents which inhibit motility to inhibit capping of the normal lymphocytes suggests that active locomotion is not a direct prerequisite for capping.
  • (13) Compaction of the morula is a prerequisite for subsequent differentiation of the mouse embryo.
  • (14) Close cooperation of ophthalmological departments with vitreoretinal centres and early performance of urgent surgery are the basic prerequisites of better functional results of PPV in EHE.
  • (15) Oximeformation, for which keto acid production is a prerequisite, is discussed as part of the HA-tolerance.
  • (16) The capacity to sublimate and to foster sublimation in children is a prerequisite for normal motherhood.
  • (17) In addition, otoscopic accuracy is a prerequisite to optimal patient care.
  • (18) Such markers are prerequisites for therapeutic trials with potent drugs which are only justified for patients with fulminant hepatitis and patients with progression to chronicity.
  • (19) The article reviews practical aspects of tissue fixation and embedding protocols as well as methodologic aspects of the protein A-gold technique; careful control of these interrelated factors is the prerequisite for successful application.
  • (20) As a prerequisite for preparing bispecific antibody conjugates containing anti-tumor and anti-metal chelate binding sites that can be used for pretargeted immunoscintigraphy, monoclonal antibodies (Mabs) have been raised against an octahedral metal chelate synthetized from gallium (Ga) and the hexadentate ligand N,N'bis[2-hydroxy 5-(ethylene beta carboxy) benzyl] ethylenediamine N,N' diacetic acid (Ga-HBED-CC).

Prior


Definition:

  • (a.) Preceding in the order of time; former; antecedent; anterior; previous; as, a prior discovery; prior obligation; -- used elliptically in cases like the following: he lived alone [in the time] prior to his marriage.
  • (a.) The superior of a priory, and next below an abbot in dignity.

Example Sentences:

  • (1) Combination therapy was most effective in patients receiving HCTZ prior to enalapril.
  • (2) These results indicated that the PG determination was the most accurate predictor of fetal lung well-being prior to birth among the clinical tests so far reported.
  • (3) Prior to oral feeding, little or no ELA was detected in stools and endotoxinemia was ascertained in only six of 45 infants (13%).
  • (4) Release of 51Cr was apparently a function of immune thymus-derived lymphocytes (T cells) because it was abrogated by prior incubation of spleen cells with anti-thymus antiserum and complement but was undiminished by passage of spleen cells through nylon-wool columns.
  • (5) Prior to joining JOE Media, Will was chief commercial officer at Dazed Group, where he also sat on the board of directors.
  • (6) The secretion of GH as measured by increased plasma level, in response to oral administration of 500 mg L-dopa or 30 min-infusion of arginine, was not modified by prior intravenous administration of 200 micrograms GH-releasing hormone (GHRH).
  • (7) 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.
  • (8) The remainder of the radioactivity appeared chromatographically just prior to the bisantrene peak, indicating that compounds more polar than the parent were present as transformation products.
  • (9) The number of gastrin-immunoreactive cells actually decreases just prior to weaning but then increases at and after, weaning.
  • (10) Sephadex LH-20 column chromatography was used for the separation of the steroid prior to assay.
  • (11) Blood samples were collected from an antecubital vein at sea level (S1), in a base camp at 1515 m prior to the summit ascent (S2), on the summit at 3285 m after 6.5 hours of climbing (S3), at base camp immediately after the descent (S4), and at sea level following a trail descent from the base camp (S5).
  • (12) A direct radioimmunoassay method using highly specific antisera without prior deconjugation has been developed for determination of estradiol 17-glucuronide and estriol 16-glucuronide in human plasma.
  • (13) Multiple operations were done in 7 patients prior to the appropriate diagnosis and treatment.
  • (14) Symptoms consistent with major affective disorder were present in one half and depressive spectrum diagnoses were made in one fourth of the cases prior to final diagnosis.
  • (15) In the genitourinary clinic setting, clinical diagnosis prior to biopsy was found frequently to be inaccurate.
  • (16) None of these were apparent on prior roentgenograms of the chest.
  • (17) It has a poor prognosis prior to the current combined treatment of surgical ablation, radiation to the surgical field, and chemotherapy for microscopic metastases.
  • (18) The flow cytometric measured DNA content (i.e., DNA index), S-fractions, and histopathologic malignancy grades were studied for ninety uterine cervical squamous cell carcinomas using tissue biopsies taken prior to radiotherapy.
  • (19) The consequences of proved hypersensitivity in patients with metal-to-plastic prostheses, either present prior to insertion of the prosthesis or evoked by the implant material, are not known.
  • (20) However, the effect of prior jaw motion and the effect of the recording site on the EMG amplitudes and on the vertical dimension of minimum EMG activity have not been documented.