What's the difference between scar and scratch?

Scar


Definition:

  • (n.) A mark in the skin or flesh of an animal, made by a wound or ulcer, and remaining after the wound or ulcer is healed; a cicatrix; a mark left by a previous injury; a blemish; a disfigurement.
  • (n.) A mark left upon a stem or branch by the fall of a leaf, leaflet, or frond, or upon a seed by the separation of its support. See Illust.. under Axillary.
  • (v. t.) To mark with a scar or scars.
  • (v. i.) To form a scar.
  • (n.) An isolated or protruding rock; a steep, rocky eminence; a bare place on the side of a mountain or steep bank of earth.
  • (n.) A marine food fish, the scarus, or parrot fish.

Example Sentences:

  • (1) The authors examined an eye obtained post-mortem from a patient with chronic granulomatous disease of childhood and clinically apparent chorioretinal scars.
  • (2) 14 patients with painful neuroma, skin hyperesthesia or neuralgic rest pain were followed up (mean 20 months) after excision of skin and scar, neurolysis and coverage with pedicled or free flaps.
  • (3) In spite of the presence of scar tissue following rhytidectomy, this procedure has been quite successful because of the rich blood supply in that area.
  • (4) Following a dosage of 300,000 IU streptokinase the lysis was stopped because of severe bleeding from the urethrotomy scar.
  • (5) Differences in scar depression also supported the idea of more stretching in the Dexon group.
  • (6) These findings support the hypothesis that the presence of FSC tissue will have an effect on the persistence of glial scar tissue in a chronic lesion site as well as limit the extent to which a new scar is formed in response to a second injury to the spinal cord.
  • (7) Thirty patients required a second operation to an area previously addressed reflecting inadequacies in technique, the unpredictability of bone grafts, and soft-tissue scarring.
  • (8) The observed clinical findings include scarring of the face and hands (83.7%), hyperpigmentation (65%), hypertrichosis (44.8%), pinched facies (40.1%), painless arthritis (70.2%), small hands (66.6%), sensory shading (60.6%), myotonia (37.9%), cogwheeling (41.9%), enlarged thyroid (34.9%), and enlarged liver (4.8%).
  • (9) To test this hypothesis 30 Wistar rats were subjected to laparotomy and colonic resection and treated with 5-Fluorouracil or Mitomycin C. The bursting strength of the abdominal scars and the colonic anastomotic bursting pressure revealed some interference in the rats treated with 5-Fluorouracil (Student's t test P less than 0.05) but none in the case of Mitomycin C. This preliminary study deserves to be followed up.
  • (10) The patient suffers little inconvenience, has a very small scar and is in hospital only a short time.
  • (11) Skin affected by a burn cancer is scarred, ulcerated, and often appears as erythema ab igne clinically in adjacent skin.
  • (12) Extraction tools included flexible, telescoping sheaths advanced over the lead to dilate scar tissue and apply countertraction, deflection catheters, and wire basket snares.
  • (13) The ensuing scars were similar with respect to scar width and the amount of collagen in the scar.
  • (14) Several stages in its histogenesis may be discerned: I. focal necroses of hepatic cells associated with their invasion with lister Listeria; 2. appearance of cellular elements around the foci of necroses with subsequent formation of granulemas consisting mainly of leucocytes and lymphoid cells; 3. development of necrobiotic changes in the central areas of granulemas with concomitance of exudative processes; 4. organization of necrotic foci with subsequent scarring.
  • (15) This method keeps the fracture closed and leaves no scar.
  • (16) Regarding ureters read as true positives on indirect study, if that ureter has ever shown reflux at any time, or if it drained a scarred kidney specificity was improved to 97% without changing the sensitivity.
  • (17) Both acquired defects were covered by two different cross-finger flap techniques, despite extensive scarring of the adjacent finger.
  • (18) After the completion of rejection reaction, inflammation finally induced scarring or necrosis of the tracheal allograft, resulting in asphyxia or perforation.
  • (19) Autopsy findings showed no scar formation of his testes, and the primary lesion was finally diagnosed to be in the anterior mediastinum.
  • (20) Following this combination procedure the patients were relieved completely of obstructive jaundice and right upper quadrant pain, leaving only small trocar insertion scars made during the short course of hospitalization.

Scratch


Definition:

  • (v. t.) To rub and tear or mark the surface of with something sharp or ragged; to scrape, roughen, or wound slightly by drawing something pointed or rough across, as the claws, the nails, a pin, or the like.
  • (v. t.) To write or draw hastily or awkwardly.
  • (v. t.) To cancel by drawing one or more lines through, as the name of a candidate upon a ballot, or of a horse in a list; hence, to erase; to efface; -- often with out.
  • (v. t.) To dig or excavate with the claws; as, some animals scratch holes, in which they burrow.
  • (v. i.) To use the claws or nails in tearing or in digging; to make scratches.
  • (v. i.) To score, not by skillful play but by some fortunate chance of the game.
  • (n.) A break in the surface of a thing made by scratching, or by rubbing with anything pointed or rough; a slight wound, mark, furrow, or incision.
  • (n.) A line across the prize ring; up to which boxers are brought when they join fight; hence, test, trial, or proof of courage; as, to bring to the scratch; to come up to the scratch.
  • (n.) Minute, but tender and troublesome, excoriations, covered with scabs, upon the heels of horses which have been used where it is very wet or muddy.
  • (n.) A kind of wig covering only a portion of the head.
  • (n.) A shot which scores by chance and not as intended by the player; a fluke.
  • (a.) Made, done, or happening by chance; arranged with little or no preparation; determined by circumstances; haphazard; as, a scratch team; a scratch crew for a boat race; a scratch shot in billiards.

Example Sentences:

  • (1) To test the hypothesis that EAA agonists are involved in transmission of nociceptive information in the spinal cord, we tested the effect of various opioid, sigma and phencyclidine compounds on the action of NMDA in the tail-flick, hot-plate and biting and scratching nociceptive tests.
  • (2) Some organization schemes concerning locomotor and scratching rhythmicity generators are considered, such as: two half-centres with reciprocal inhibitory connections and tonic excitatory influences on these half-centres: two half-centres with inhibitory-excitatory connections and tonic excitatory influences on one half-centre; ring structures consisting of more than two functional groups of neurons with excitatory and inhibitory connections between them.
  • (3) In an interview with the Guardian, James Hansen, the world's pre-eminent climate scientist, said any agreement likely to emerge from the negotiations would be so deeply flawed that it would be better to start again from scratch.
  • (4) The satisfaction derived from smoking depends not only on the pharmacological effects of nicotine but also the sensory stimulation from smoke inhalation, particularly the tracheal 'scratch'.
  • (5) The pathogenesis of the prolific mite population is unclear, but either a specific immunologic deficit or the inability to effectively eliminate the mites by scratching is a plausible possibility.
  • (6) Forty-three percent of dog bites, and 52% of cat bites-scratches were provoked, that is, happened while the victim was interacting with the animal.
  • (7) If the NHS was being created from scratch, primary and community care would be treated as one service.
  • (8) The timing of knee extensor activity within the hip cycle is different for each form of the scratch (Robertson et al., 1985); thus, the sign of the reset cannot be predicted from the timing of the stimulus relative to the knee extensor cycle.
  • (9) We report a patient with cat scratch disease who presented with multiple scattered nodular lesions on the legs.
  • (10) Application of APV to a midbody segment also reduced the magnitude of temporal summation in the scratch circuit in response to electrical stimuli delivered to the shell at 4- to 5-s intervals.
  • (11) Windshields, spectacles, contact lenses, lashes, an excessive tear meniscus, intraocular lens scratches, and posterior capsular opacification are possible causes that can be easily identified and treated.
  • (12) Ventral UVA pre-exposure did not appear to affect dorsal skin irritation as expressed by scratch marks.
  • (13) A rare vascular proliferation found as a skin lesion in patients suffering from the acquired immunodeficiency syndrome and sometimes referred to as epithelioid angiomatosis is believed to be a manifestation of infection by the cat scratch bacillus or a related organism.
  • (14) We have made Afghanistan stronger by building up from scratch strong security forces.
  • (15) Immunoperoxidase staining with an antiserum raised against the cat-scratch disease bacillus stained these organisms in all patients.
  • (16) licking, scratching, grooming, head and limb movements), a reaction termed immobility.
  • (17) These data suggest that hindlimb scratching induced by 5-HT agonists may not be centrally mediated but rather may be mediated by a neuronal 5-HT1A receptor localized outside the blood-brain barrier.
  • (18) In contrast, after weaning they showed a significant increment in the duration of face-washing, head-washing, fur licking and body-scratching.
  • (19) A strong correlation was found between reduction in scratching and improvement in skin status.
  • (20) But screens already demonstrated by GT can withstand scratches from concrete.