What's the difference between repeat and retract?

Repeat


Definition:

  • (v. t.) To go over again; to attempt, do, make, or utter again; to iterate; to recite; as, to repeat an effort, an order, or a poem.
  • (v. t.) To make trial of again; to undergo or encounter again.
  • (v. t.) To repay or refund (an excess received).
  • (n.) The act of repeating; repetition.
  • (n.) That which is repeated; as, the repeat of a pattern; that is, the repetition of the engraved figure on a roller by which an impression is produced (as in calico printing, etc.).
  • (n.) A mark, or series of dots, placed before and after, or often only at the end of, a passage to be repeated in performance.

Example Sentences:

  • (1) Clinical surveillance, repeated laboratory tests, conventional radiology, and especially ultrasonography and CT scan all contributed to the preoperative diagnosis.
  • (2) Nine of 14 patients studied for documented clinical relapse had positive repeat studies.
  • (3) Comparison of wild type and the mutant parD promoter sequences indicated that three short repeats are likely involved in the negative regulation of this promoter.
  • (4) Pituitary weight, mitotic index and chromosomes were studied in male rats following a single or repeated dose of estradiol-benzoate for a total period of 210 days.
  • (5) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
  • (6) The region containing the injection stop signal (iss) has been cloned and sequenced and found to contain numerous large repeats and inverted repeats which may be part of the iss.
  • (7) In view of reports of the reduction of telomeric repeats in human malignant tumors, we measured the lengths of telomeric repeats in 55 primary neuroblastomas.
  • (8) A domain containing a CA repeat, similar to ones found in other late, cAMP-induced Dictyostelium genes, is required for cAMP-induced and developmental expression.
  • (9) But it will be a subtle difference, because it's already abundantly clear there's no danger of the war being suddenly forgotten, or made to seem irrelevant to our sense of what Europe and the world has to avoid repeating.
  • (10) An axillo-axillary bypass procedure was performed in a high-risk patient with innominate arterial stenosis who had repeated episodes of transient cerebral ischemia due to decreased blood flow through the right carotid artery and reversal of blood flow through the right vertebral artery.
  • (11) Intensity thresholds for eliciting eating and drinking were different, and both thresholds decreased with repeated testing.
  • (12) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
  • (13) In crosses between inverted repeats, a single intrachromatid reciprocal exchange leads to inversion of the sequence between the crossover sites and recovery of both genes involved in the event.
  • (14) Each species has approximately 500 core histones cluster repeats per haploid genome.
  • (15) We identified four distinct clinical patterns in the 244 patients with true positive MAI infections: (a) pulmonary nodules ("tuberculomas") indistinguishable from pulmonary neoplasms (78 patients); (b) chronic bronchitis or bronchiectasis with sputum repeatedly positive for MAI or granulomas on biopsy (58 patients, virtually all older white women); (c) cavitary lung disease and scattered pulmonary nodules mimicking M. tuberculosis infection (12 patients); (d) diffuse pulmonary infiltrations in immunocompromised hosts, primarily patients with AIDS (96 patients).
  • (16) Examinations, begun at day 150 of gestation in 33 monkeys and between days 32 and 58 in four other animals, were repeated at intervals of one to seven days.
  • (17) During that time they have repeatedly demonstrated the likely existence of signalling molecules or morphogens that control the pattern of development in the embryo.
  • (18) Male guinea pigs received either a single dose of As2O3 10 mg.kg-1 s.c. or repeated doses of 2.5 mg.kg-1 bis in die (b.i.d.)
  • (19) Plasmids containing the inverted repeat alone bound ER, though less efficiently than did plasmids containing the entire sequence.
  • (20) These studies indicate that at each site of induction during feather morphogenesis, a general pattern is repeated in which an epithelial structure linked by L-CAM is confronted with periodically propagating condensations of cells linked by N-CAM.

Retract


Definition:

  • (v. t.) To draw back; to draw up or shorten; as, the cat can retract its claws; to retract a muscle.
  • (v. t.) To withdraw; to recall; to disavow; to recant; to take back; as, to retract an accusation or an assertion.
  • (v. t.) To take back,, as a grant or favor previously bestowed; to revoke.
  • (v. i.) To draw back; to draw up; as, muscles retract after amputation.
  • (v. i.) To take back what has been said; to withdraw a concession or a declaration.
  • (n.) The pricking of a horse's foot in nailing on a shoe.

Example Sentences:

  • (1) Brain damage may be followed by a number of dynamic events including reactive synaptogenesis, rerouting of axons to unusual locations and altered axon retraction processes.
  • (2) Tottenham Hotspur’s £400m redevelopment of White Hart Lane could include a retractable grass pitch as the club explores the possibility of hosting a new NFL franchise.
  • (3) Any MP who claims this is not statutory regulation is a liar, and should be forced to retract and apologise, or face a million pound fine.
  • (4) During the first 15 to 20 min of metamorphosis the larval arms are retracted and resorbed into the aboral surface of the juvenile.
  • (5) • Written, oral and video statements of self-incrimination and self-renunciation by the detainees, apparently induced by the authorities, have been released through official media channels (for example, lawyer Zhang Kai was induced to make such a statement, which he later retracted).
  • (6) Duane's retraction syndrome is a congenital eye movement disorder characterized by a deficiency of abduction, mild limitation of adduction, with retraction and narrowing of the palpebral fissure on attempted adduction.
  • (7) Axonal trees display differential growth during development or regeneration; that is, some branches stop growing and often retract while other branches continue to grow and form stable synaptic connections.
  • (8) She said she was not worried by Rubio’s one-time position on his immigration bill, later retracted, that he could not support reform if it included citizenship for gay couples.
  • (9) Useful differential morphological criteria can be: star-like or transverse ring-shaped profile of isolated ulcerations, tubular ileocolic junction with retracted cecum and open valve, and uniformity of lesion in the comprehensive picture of the clinical case.
  • (10) Both require more brain retraction and have greater risk to the facial nerve than the translabyrinthine approach.
  • (11) Unlike posterior tympanoplasty, this technique makes it possible to meticulously remove the osteitic bone invariably found in the facial recess when there is infection of the retraction pocket.
  • (12) In the third patient laparotomy was applied owing to the bleeding from the retracted, cut uterine artery.
  • (13) Because of laboratory and clinical observation that recurrent nerve paralysis retracts the involved vocal cord from the midline, it was proposed that deliberate section of the recurrent nerve would improve the vocal quality of patients with spastic dysphonia.
  • (14) Seven to 30 days following axotomy the volume of the hypoglossal nucleus was significantly diminished, undoubtedly reflecting dendritic retraction (P less than 0.05).
  • (15) Contacts resulting in collapse and retraction were often accompanied by a rapid and transient burst of lamellipodial activity along the neurite 30-50 microns proximal to the retracting growth cone.
  • (16) At three, six, and twelve months after the first operation the development of retraction pockets was also studied.
  • (17) The anchoring wire can also be retracted and repositioned.
  • (18) The right occipital lobe is retracted laterally from the falx cerebri.
  • (19) These experiments demonstrated that accessory abducens is a primary controller of eye retraction through its axons to retractor bulbi.
  • (20) A commercial system for producing retracted compensators has been adapted to suit local needs, and is evaluated here.